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<!-- [metadata]>
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title = "Remote API v1.24"
description = "API Documentation for Docker"
keywords = ["API, Docker, rcli, REST, documentation"]
[menu.main]
parent="engine_remoteapi"
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weight=-5
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+++
<![end-metadata]-->
# Docker Remote API v1.24
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# 1. Brief introduction
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- The Remote API has replaced `rcli` .
- The daemon listens on `unix:///var/run/docker.sock` but you can
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[Bind Docker to another host/port or a Unix socket ](../commandline/dockerd.md#bind-docker-to-another-host-port-or-a-unix-socket ).
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- The API tends to be REST. However, for some complex commands, like `attach`
or `pull` , the HTTP connection is hijacked to transport `stdout` ,
`stdin` and `stderr` .
- When the client API version is newer than the daemon's, these calls return an HTTP
`400 Bad Request` error message.
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# 2. Errors
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The Remote API uses standard HTTP status codes to indicate the success or failure of the API call. The body of the response will be JSON in the following format:
{
"message": "page not found"
}
The status codes that are returned for each endpoint are specified in the endpoint documentation below.
# 3. Endpoints
## 3.1 Containers
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### List containers
`GET /containers/json`
List containers
**Example request**:
GET /containers/json?all=1& before=8dfafdbc3a40& size=1 HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"Id": "8dfafdbc3a40",
"Names":["/boring_feynman"],
"Image": "ubuntu:latest",
"ImageID": "d74508fb6632491cea586a1fd7d748dfc5274cd6fdfedee309ecdcbc2bf5cb82",
"Command": "echo 1",
"Created": 1367854155,
"State": "Exited",
"Status": "Exit 0",
"Ports": [{"PrivatePort": 2222, "PublicPort": 3333, "Type": "tcp"}],
"Labels": {
"com.example.vendor": "Acme",
"com.example.license": "GPL",
"com.example.version": "1.0"
},
"SizeRw": 12288,
"SizeRootFs": 0,
"HostConfig": {
"NetworkMode": "default"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "2cdc4edb1ded3631c81f57966563e5c8525b81121bb3706a9a9a3ae102711f3f",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02"
}
}
},
"Mounts": [
{
"Name": "fac362...80535",
"Source": "/data",
"Destination": "/data",
"Driver": "local",
"Mode": "ro,Z",
"RW": false,
"Propagation": ""
}
]
},
{
"Id": "9cd87474be90",
"Names":["/coolName"],
"Image": "ubuntu:latest",
"ImageID": "d74508fb6632491cea586a1fd7d748dfc5274cd6fdfedee309ecdcbc2bf5cb82",
"Command": "echo 222222",
"Created": 1367854155,
"State": "Exited",
"Status": "Exit 0",
"Ports": [],
"Labels": {},
"SizeRw": 12288,
"SizeRootFs": 0,
"HostConfig": {
"NetworkMode": "default"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "88eaed7b37b38c2a3f0c4bc796494fdf51b270c2d22656412a2ca5d559a64d7a",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.8",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:08"
}
}
},
"Mounts": []
},
{
"Id": "3176a2479c92",
"Names":["/sleepy_dog"],
"Image": "ubuntu:latest",
"ImageID": "d74508fb6632491cea586a1fd7d748dfc5274cd6fdfedee309ecdcbc2bf5cb82",
"Command": "echo 3333333333333333",
"Created": 1367854154,
"State": "Exited",
"Status": "Exit 0",
"Ports":[],
"Labels": {},
"SizeRw":12288,
"SizeRootFs":0,
"HostConfig": {
"NetworkMode": "default"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "8b27c041c30326d59cd6e6f510d4f8d1d570a228466f956edf7815508f78e30d",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.6",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:06"
}
}
},
"Mounts": []
},
{
"Id": "4cb07b47f9fb",
"Names":["/running_cat"],
"Image": "ubuntu:latest",
"ImageID": "d74508fb6632491cea586a1fd7d748dfc5274cd6fdfedee309ecdcbc2bf5cb82",
"Command": "echo 444444444444444444444444444444444",
"Created": 1367854152,
"State": "Exited",
"Status": "Exit 0",
"Ports": [],
"Labels": {},
"SizeRw": 12288,
"SizeRootFs": 0,
"HostConfig": {
"NetworkMode": "default"
},
"NetworkSettings": {
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "d91c7b2f0644403d7ef3095985ea0e2370325cd2332ff3a3225c4247328e66e9",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.5",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:05"
}
}
},
"Mounts": []
}
]
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**Query parameters**:
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- **all** –
Only running containers are shown by default (i.e., this defaults to false)
- **limit** – `limit` last created
containers, include non-running ones.
- **since** –
non-running ones.
- **before** –
non-running ones.
- **size** –
sizes
- **filters** - a JSON encoded value of the filters (a `map[string][]string` ) to process on the containers list. Available filters:
- `exited=<int>` ; -- containers with exit code of `<int>` ;
- `status=` (`created`|`restarting`|`running`|`paused`|`exited`|`dead`)
- `label=key` or `label="key=value"` of a container label
- `isolation=` (`default`|`process`|`hyperv`) (Windows daemon only)
- `ancestor` =(`< image-name > [:< tag > ]`, `<image id>` or `<image@digest>` )
- `before` =(`< container id > ` or `<container name>` )
- `since` =(`< container id > ` or `<container name>` )
- `volume` =(`< volume name > ` or `<mount point destination>` )
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- `network` =(`< network id > ` or `<network name>` )
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**Status codes**:
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- **200** –
- **400** –
- **500** –
### Create a container
`POST /containers/create`
Create a container
**Example request**:
POST /containers/create HTTP/1.1
Content-Type: application/json
{
"Hostname": "",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"FOO=bar",
"BAZ=quux"
],
"Cmd": [
"date"
],
"Entrypoint": "",
"Image": "ubuntu",
"Labels": {
"com.example.vendor": "Acme",
"com.example.license": "GPL",
"com.example.version": "1.0"
},
"Volumes": {
"/volumes/data": {}
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},
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"WorkingDir": "",
"NetworkDisabled": false,
"MacAddress": "12:34:56:78:9a:bc",
"ExposedPorts": {
"22/tcp": {}
},
"StopSignal": "SIGTERM",
"HostConfig": {
"Binds": ["/tmp:/tmp"],
"Links": ["redis3:redis"],
"Memory": 0,
"MemorySwap": 0,
"MemoryReservation": 0,
"KernelMemory": 0,
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"CpuPercent": 80,
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"CpuShares": 512,
"CpuPeriod": 100000,
"CpuQuota": 50000,
"CpusetCpus": "0,1",
"CpusetMems": "0,1",
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"MaximumIOps": 0,
"MaximumIOBps": 0,
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"BlkioWeight": 300,
"BlkioWeightDevice": [{}],
"BlkioDeviceReadBps": [{}],
"BlkioDeviceReadIOps": [{}],
"BlkioDeviceWriteBps": [{}],
"BlkioDeviceWriteIOps": [{}],
"MemorySwappiness": 60,
"OomKillDisable": false,
"OomScoreAdj": 500,
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"PidsLimit": -1,
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"PortBindings": { "22/tcp": [{ "HostPort": "11022" }] },
"PublishAllPorts": false,
"Privileged": false,
"ReadonlyRootfs": false,
"Dns": ["8.8.8.8"],
"DnsOptions": [""],
"DnsSearch": [""],
"ExtraHosts": null,
"VolumesFrom": ["parent", "other:ro"],
"CapAdd": ["NET_ADMIN"],
"CapDrop": ["MKNOD"],
"GroupAdd": ["newgroup"],
"RestartPolicy": { "Name": "", "MaximumRetryCount": 0 },
"NetworkMode": "bridge",
"Devices": [],
"Ulimits": [{}],
"LogConfig": { "Type": "json-file", "Config": {} },
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"SecurityOpt": [],
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"StorageOpt": {},
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"CgroupParent": "",
"VolumeDriver": "",
"ShmSize": 67108864
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},
"NetworkingConfig": {
"EndpointsConfig": {
"isolated_nw" : {
"IPAMConfig": {
"IPv4Address":"172.20.30.33",
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"IPv6Address":"2001:db8:abcd::3033",
"LinkLocalIPs:["169.254.34.68", "fe80::3468"]
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},
"Links":["container_1", "container_2"],
"Aliases":["server_x", "server_y"]
}
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}
}
**Example response**:
HTTP/1.1 201 Created
Content-Type: application/json
{
"Id":"e90e34656806",
"Warnings":[]
}
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**JSON parameters**:
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- **Hostname** - A string value containing the hostname to use for the
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container. This must be a valid RFC 1123 hostname.
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- **Domainname** - A string value containing the domain name to use
for the container.
- **User** - A string value specifying the user inside the container.
- **AttachStdin** - Boolean value, attaches to `stdin` .
- **AttachStdout** - Boolean value, attaches to `stdout` .
- **AttachStderr** - Boolean value, attaches to `stderr` .
- **Tty** - Boolean value, Attach standard streams to a `tty` , including `stdin` if it is not closed.
- **OpenStdin** - Boolean value, opens stdin,
- **StdinOnce** - Boolean value, close `stdin` after the 1 attached client disconnects.
- **Env** - A list of environment variables in the form of `["VAR=value"[,"VAR2=value2"]]`
- **Labels** - Adds a map of labels to a container. To specify a map: `{"key":"value"[,"key2":"value2"]}`
- **Cmd** - Command to run specified as a string or an array of strings.
- **Entrypoint** - Set the entry point for the container as a string or an array
of strings.
- **Image** - A string specifying the image name to use for the container.
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- **Volumes** - An object mapping mount point paths (strings) inside the
container to empty objects.
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- **WorkingDir** - A string specifying the working directory for commands to
run in.
- **NetworkDisabled** - Boolean value, when true disables networking for the
container
- **ExposedPorts** - An object mapping ports to an empty object in the form of:
`"ExposedPorts": { "<port>/<tcp|udp>: {}" }`
- **StopSignal** - Signal to stop a container as a string or unsigned integer. `SIGTERM` by default.
- **HostConfig**
- **Binds** –
+ `host_path:container_path` to bind-mount a host path into the container
+ `host_path:container_path:ro` to make the bind-mount read-only inside the container.
+ `volume_name:container_path` to bind-mount a volume managed by a volume plugin into the container.
+ `volume_name:container_path:ro` to make the bind mount read-only inside the container.
- **Links** - A list of links for the container. Each link entry should be
in the form of `container_name:alias` .
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- **Memory** - Memory limit in bytes.
- **MemorySwap** - Total memory limit (memory + swap); set `-1` to enable unlimited swap.
You must use this with `memory` and make the swap value larger than `memory` .
- **MemoryReservation** - Memory soft limit in bytes.
- **KernelMemory** - Kernel memory limit in bytes.
- **CpuPercent** - An integer value containing the usable percentage of the available CPUs. (Windows daemon only)
- **CpuShares** - An integer value containing the container's CPU Shares
(ie. the relative weight vs other containers).
- **CpuPeriod** - The length of a CPU period in microseconds.
- **CpuQuota** - Microseconds of CPU time that the container can get in a CPU period.
- **CpusetCpus** - String value containing the `cgroups CpusetCpus` to use.
- **CpusetMems** - Memory nodes (MEMs) in which to allow execution (0-3, 0,1). Only effective on NUMA systems.
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- **MaximumIOps** - Maximum IO absolute rate in terms of IOps.
- **MaximumIOBps** - Maximum IO absolute rate in terms of bytes per second.
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- **BlkioWeight** - Block IO weight (relative weight) accepts a weight value between 10 and 1000.
- **BlkioWeightDevice** - Block IO weight (relative device weight) in the form of: `"BlkioWeightDevice": [{"Path": "device_path", "Weight": weight}]`
- **BlkioDeviceReadBps** - Limit read rate (bytes per second) from a device in the form of: `"BlkioDeviceReadBps": [{"Path": "device_path", "Rate": rate}]` , for example:
`"BlkioDeviceReadBps": [{"Path": "/dev/sda", "Rate": "1024"}]"`
- **BlkioDeviceWriteBps** - Limit write rate (bytes per second) to a device in the form of: `"BlkioDeviceWriteBps": [{"Path": "device_path", "Rate": rate}]` , for example:
`"BlkioDeviceWriteBps": [{"Path": "/dev/sda", "Rate": "1024"}]"`
- **BlkioDeviceReadIOps** - Limit read rate (IO per second) from a device in the form of: `"BlkioDeviceReadIOps": [{"Path": "device_path", "Rate": rate}]` , for example:
`"BlkioDeviceReadIOps": [{"Path": "/dev/sda", "Rate": "1000"}]`
- **BlkioDeviceWiiteIOps** - Limit write rate (IO per second) to a device in the form of: `"BlkioDeviceWriteIOps": [{"Path": "device_path", "Rate": rate}]` , for example:
`"BlkioDeviceWriteIOps": [{"Path": "/dev/sda", "Rate": "1000"}]`
- **MemorySwappiness** - Tune a container's memory swappiness behavior. Accepts an integer between 0 and 100.
- **OomKillDisable** - Boolean value, whether to disable OOM Killer for the container or not.
- **OomScoreAdj** - An integer value containing the score given to the container in order to tune OOM killer preferences.
- **PidsLimit** - Tune a container's pids limit. Set -1 for unlimited.
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- **PortBindings** - A map of exposed container ports and the host port they
should map to. A JSON object in the form
`{ <port>/<protocol>: [{ "HostPort": "<port>" }] }`
Take note that `port` is specified as a string and not an integer value.
- **PublishAllPorts** - Allocates a random host port for all of a container's
exposed ports. Specified as a boolean value.
- **Privileged** - Gives the container full access to the host. Specified as
a boolean value.
- **ReadonlyRootfs** - Mount the container's root filesystem as read only.
Specified as a boolean value.
- **Dns** - A list of DNS servers for the container to use.
- **DnsOptions** - A list of DNS options
- **DnsSearch** - A list of DNS search domains
- **ExtraHosts** - A list of hostnames/IP mappings to add to the
container's `/etc/hosts` file. Specified in the form `["hostname:IP"]` .
- **VolumesFrom** - A list of volumes to inherit from another container.
Specified in the form `<container name>[:<ro|rw>]`
- **CapAdd** - A list of kernel capabilities to add to the container.
- **Capdrop** - A list of kernel capabilities to drop from the container.
- **GroupAdd** - A list of additional groups that the container process will run as
- **RestartPolicy** –
value is an object with a `Name` property of either `"always"` to
always restart, `"unless-stopped"` to restart always except when
user has manually stopped the container or `"on-failure"` to restart only when the container
exit code is non-zero. If `on-failure` is used, `MaximumRetryCount`
controls the number of times to retry before giving up.
The default is not to restart. (optional)
An ever increasing delay (double the previous delay, starting at 100mS)
is added before each restart to prevent flooding the server.
- **UsernsMode** - Sets the usernamespace mode for the container when usernamespace remapping option is enabled.
supported values are: `host` .
- **NetworkMode** - Sets the networking mode for the container. Supported
standard values are: `bridge` , `host` , `none` , and `container:<name|id>` . Any other value is taken
as a custom network's name to which this container should connect to.
- **Devices** - A list of devices to add to the container specified as a JSON object in the
form
`{ "PathOnHost": "/dev/deviceName", "PathInContainer": "/dev/deviceName", "CgroupPermissions": "mrw"}`
- **Ulimits** - A list of ulimits to set in the container, specified as
`{ "Name": <name>, "Soft": <soft limit>, "Hard": <hard limit> }` , for example:
`Ulimits: { "Name": "nofile", "Soft": 1024, "Hard": 2048 }`
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- **Sysctls** - A list of kernel parameters (sysctls) to set in the container, specified as
`{ <name>: <Value> }` , for example:
`{ "net.ipv4.ip_forward": "1" }`
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- **SecurityOpt** : A list of string values to customize labels for MLS
systems, such as SELinux.
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- **StorageOpt** : Storage driver options per container. Options can be passed in the form
`{"size":"120G"}`
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- **LogConfig** - Log configuration for the container, specified as a JSON object in the form
`{ "Type": "<driver_name>", "Config": {"key1": "val1"}}` .
Available types: `json-file` , `syslog` , `journald` , `gelf` , `fluentd` , `awslogs` , `splunk` , `etwlogs` , `none` .
`json-file` logging driver.
- **CgroupParent** - Path to `cgroups` under which the container's `cgroup` is created. If the path is not absolute, the path is considered to be relative to the `cgroups` path of the init process. Cgroups are created if they do not already exist.
- **VolumeDriver** - Driver that this container users to mount volumes.
- **ShmSize** - Size of `/dev/shm` in bytes. The size must be greater than 0. If omitted the system uses 64MB.
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**Query parameters**:
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- **name** –
match `/?[a-zA-Z0-9_-]+` .
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**Status codes**:
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- **201** –
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- **400** –
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- **404** –
- **406** –
- **500** –
### Inspect a container
`GET /containers/(id or name)/json`
Return low-level information on the container `id`
**Example request**:
GET /containers/4fa6e0f0c678/json HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"AppArmorProfile": "",
"Args": [
"-c",
"exit 9"
],
"Config": {
"AttachStderr": true,
"AttachStdin": false,
"AttachStdout": true,
"Cmd": [
"/bin/sh",
"-c",
"exit 9"
],
"Domainname": "",
"Entrypoint": null,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"ExposedPorts": null,
"Hostname": "ba033ac44011",
"Image": "ubuntu",
"Labels": {
"com.example.vendor": "Acme",
"com.example.license": "GPL",
"com.example.version": "1.0"
},
"MacAddress": "",
"NetworkDisabled": false,
"OnBuild": null,
"OpenStdin": false,
"StdinOnce": false,
"Tty": false,
"User": "",
"Volumes": {
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"/volumes/data": {}
},
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"WorkingDir": "",
"StopSignal": "SIGTERM"
},
"Created": "2015-01-06T15:47:31.485331387Z",
"Driver": "devicemapper",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
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"MaximumIOps": 0,
"MaximumIOBps": 0,
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"BlkioWeight": 0,
"BlkioWeightDevice": [{}],
"BlkioDeviceReadBps": [{}],
"BlkioDeviceWriteBps": [{}],
"BlkioDeviceReadIOps": [{}],
"BlkioDeviceWriteIOps": [{}],
"CapAdd": null,
"CapDrop": null,
"ContainerIDFile": "",
"CpusetCpus": "",
"CpusetMems": "",
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"CpuPercent": 80,
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"CpuShares": 0,
"CpuPeriod": 100000,
"Devices": [],
"Dns": null,
"DnsOptions": null,
"DnsSearch": null,
"ExtraHosts": null,
"IpcMode": "",
"Links": null,
"LxcConf": [],
"Memory": 0,
"MemorySwap": 0,
"MemoryReservation": 0,
"KernelMemory": 0,
"OomKillDisable": false,
"OomScoreAdj": 500,
"NetworkMode": "bridge",
"PortBindings": {},
"Privileged": false,
"ReadonlyRootfs": false,
"PublishAllPorts": false,
"RestartPolicy": {
"MaximumRetryCount": 2,
"Name": "on-failure"
},
"LogConfig": {
"Config": null,
"Type": "json-file"
},
"SecurityOpt": null,
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"Sysctls": {
"net.ipv4.ip_forward": "1"
},
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"StorageOpt": null,
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"VolumesFrom": null,
"Ulimits": [{}],
"VolumeDriver": "",
"ShmSize": 67108864
},
"HostnamePath": "/var/lib/docker/containers/ba033ac4401106a3b513bc9d639eee123ad78ca3616b921167cd74b20e25ed39/hostname",
"HostsPath": "/var/lib/docker/containers/ba033ac4401106a3b513bc9d639eee123ad78ca3616b921167cd74b20e25ed39/hosts",
"LogPath": "/var/lib/docker/containers/1eb5fabf5a03807136561b3c00adcd2992b535d624d5e18b6cdc6a6844d9767b/1eb5fabf5a03807136561b3c00adcd2992b535d624d5e18b6cdc6a6844d9767b-json.log",
"Id": "ba033ac4401106a3b513bc9d639eee123ad78ca3616b921167cd74b20e25ed39",
"Image": "04c5d3b7b0656168630d3ba35d8889bd0e9caafcaeb3004d2bfbc47e7c5d35d2",
"MountLabel": "",
"Name": "/boring_euclid",
"NetworkSettings": {
"Bridge": "",
"SandboxID": "",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": null,
"SandboxKey": "",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "",
"Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "",
"IPPrefixLen": 0,
"IPv6Gateway": "",
"MacAddress": "",
"Networks": {
"bridge": {
"NetworkID": "7ea29fc1412292a2d7bba362f9253545fecdfa8ce9a6e37dd10ba8bee7129812",
"EndpointID": "7587b82f0dada3656fda26588aee72630c6fab1536d36e394b2bfbcf898c971d",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:12:00:02"
}
}
},
"Path": "/bin/sh",
"ProcessLabel": "",
"ResolvConfPath": "/var/lib/docker/containers/ba033ac4401106a3b513bc9d639eee123ad78ca3616b921167cd74b20e25ed39/resolv.conf",
"RestartCount": 1,
"State": {
"Error": "",
"ExitCode": 9,
"FinishedAt": "2015-01-06T15:47:32.080254511Z",
"OOMKilled": false,
"Dead": false,
"Paused": false,
"Pid": 0,
"Restarting": false,
"Running": true,
"StartedAt": "2015-01-06T15:47:32.072697474Z",
"Status": "running"
},
"Mounts": [
{
"Name": "fac362...80535",
"Source": "/data",
"Destination": "/data",
"Driver": "local",
"Mode": "ro,Z",
"RW": false,
"Propagation": ""
}
]
}
**Example request, with size information**:
GET /containers/4fa6e0f0c678/json?size=1 HTTP/1.1
**Example response, with size information**:
HTTP/1.1 200 OK
Content-Type: application/json
{
....
"SizeRw": 0,
"SizeRootFs": 972,
....
}
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**Query parameters**:
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- **size** – `false` .
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### List processes running inside a container
`GET /containers/(id or name)/top`
List processes running inside the container `id` . On Unix systems this
is done by running the `ps` command. This endpoint is not
supported on Windows.
**Example request**:
GET /containers/4fa6e0f0c678/top HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Titles" : [
"UID", "PID", "PPID", "C", "STIME", "TTY", "TIME", "CMD"
],
"Processes" : [
[
"root", "13642", "882", "0", "17:03", "pts/0", "00:00:00", "/bin/bash"
],
[
"root", "13735", "13642", "0", "17:06", "pts/0", "00:00:00", "sleep 10"
]
]
}
**Example request**:
GET /containers/4fa6e0f0c678/top?ps_args=aux HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Titles" : [
"USER","PID","%CPU","%MEM","VSZ","RSS","TTY","STAT","START","TIME","COMMAND"
]
"Processes" : [
[
"root","13642","0.0","0.1","18172","3184","pts/0","Ss","17:03","0:00","/bin/bash"
],
[
"root","13895","0.0","0.0","4348","692","pts/0","S+","17:15","0:00","sleep 10"
]
],
}
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**Query parameters**:
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- **ps_args** – `ps` arguments to use (e.g., `aux` ), defaults to `-ef`
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Get container logs
`GET /containers/(id or name)/logs`
Get `stdout` and `stderr` logs from the container ``id``
> **Note**:
> This endpoint works only for containers with the `json-file` or `journald` logging drivers.
**Example request**:
GET /containers/4fa6e0f0c678/logs?stderr=1& stdout=1& timestamps=1& follow=1& tail=10& since=1428990821 HTTP/1.1
**Example response**:
HTTP/1.1 101 UPGRADED
Content-Type: application/vnd.docker.raw-stream
Connection: Upgrade
Upgrade: tcp
{{ STREAM }}
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**Query parameters**:
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- **details** - 1/True/true or 0/False/flase, Show extra details provided to logs. Default `false` .
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- **follow** – `false` .
- **stdout** – `stdout` log. Default `false` .
- **stderr** – `stderr` log. Default `false` .
- **since** –
will only output log-entries since that timestamp. Default: 0 (unfiltered)
- **timestamps** –
every log line. Default `false` .
- **tail** – `all` or `<number>` . Default all.
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**Status codes**:
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- **101** –
- **200** –
- **404** –
- **500** –
### Inspect changes on a container's filesystem
`GET /containers/(id or name)/changes`
Inspect changes on container `id` 's filesystem
**Example request**:
GET /containers/4fa6e0f0c678/changes HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"Path": "/dev",
"Kind": 0
},
{
"Path": "/dev/kmsg",
"Kind": 1
},
{
"Path": "/test",
"Kind": 1
}
]
Values for `Kind` :
- `0` : Modify
- `1` : Add
- `2` : Delete
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Export a container
`GET /containers/(id or name)/export`
Export the contents of container `id`
**Example request**:
GET /containers/4fa6e0f0c678/export HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/octet-stream
{{ TAR STREAM }}
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Get container stats based on resource usage
`GET /containers/(id or name)/stats`
This endpoint returns a live stream of a container's resource usage statistics.
**Example request**:
GET /containers/redis1/stats HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"read" : "2015-01-08T22:57:31.547920715Z",
"pids_stats": {
"current": 3
},
"networks": {
"eth0": {
"rx_bytes": 5338,
"rx_dropped": 0,
"rx_errors": 0,
"rx_packets": 36,
"tx_bytes": 648,
"tx_dropped": 0,
"tx_errors": 0,
"tx_packets": 8
},
"eth5": {
"rx_bytes": 4641,
"rx_dropped": 0,
"rx_errors": 0,
"rx_packets": 26,
"tx_bytes": 690,
"tx_dropped": 0,
"tx_errors": 0,
"tx_packets": 9
}
},
"memory_stats" : {
"stats" : {
"total_pgmajfault" : 0,
"cache" : 0,
"mapped_file" : 0,
"total_inactive_file" : 0,
"pgpgout" : 414,
"rss" : 6537216,
"total_mapped_file" : 0,
"writeback" : 0,
"unevictable" : 0,
"pgpgin" : 477,
"total_unevictable" : 0,
"pgmajfault" : 0,
"total_rss" : 6537216,
"total_rss_huge" : 6291456,
"total_writeback" : 0,
"total_inactive_anon" : 0,
"rss_huge" : 6291456,
"hierarchical_memory_limit" : 67108864,
"total_pgfault" : 964,
"total_active_file" : 0,
"active_anon" : 6537216,
"total_active_anon" : 6537216,
"total_pgpgout" : 414,
"total_cache" : 0,
"inactive_anon" : 0,
"active_file" : 0,
"pgfault" : 964,
"inactive_file" : 0,
"total_pgpgin" : 477
},
"max_usage" : 6651904,
"usage" : 6537216,
"failcnt" : 0,
"limit" : 67108864
},
"blkio_stats" : {},
"cpu_stats" : {
"cpu_usage" : {
"percpu_usage" : [
8646879,
24472255,
36438778,
30657443
],
"usage_in_usermode" : 50000000,
"total_usage" : 100215355,
"usage_in_kernelmode" : 30000000
},
"system_cpu_usage" : 739306590000000,
"throttling_data" : {"periods":0,"throttled_periods":0,"throttled_time":0}
},
"precpu_stats" : {
"cpu_usage" : {
"percpu_usage" : [
8646879,
24350896,
36438778,
30657443
],
"usage_in_usermode" : 50000000,
"total_usage" : 100093996,
"usage_in_kernelmode" : 30000000
},
"system_cpu_usage" : 9492140000000,
"throttling_data" : {"periods":0,"throttled_periods":0,"throttled_time":0}
}
}
The precpu_stats is the cpu statistic of last read, which is used for calculating the cpu usage percent. It is not the exact copy of the “cpu_stats” field.
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**Query parameters**:
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- **stream** – `true` .
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Resize a container TTY
`POST /containers/(id or name)/resize`
Resize the TTY for container with `id` . The unit is number of characters. You must restart the container for the resize to take effect.
**Example request**:
POST /containers/4fa6e0f0c678/resize?h=40& w=80 HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Length: 0
Content-Type: text/plain; charset=utf-8
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**Query parameters**:
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- **h** – `tty` session
- **w** –
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Start a container
`POST /containers/(id or name)/start`
Start the container `id`
**Example request**:
POST /containers/e90e34656806/start HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Query parameters**:
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- **detachKeys** –
container. Format is a single character `[a-Z]` or `ctrl-<value>`
where `<value>` is one of: `a-z` , `@` , `^` , `[` , `,` or `_` .
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**Status codes**:
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- **204** –
- **304** –
- **404** –
- **500** –
### Stop a container
`POST /containers/(id or name)/stop`
Stop the container `id`
**Example request**:
POST /containers/e90e34656806/stop?t=5 HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Query parameters**:
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- **t** –
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**Status codes**:
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- **204** –
- **304** –
- **404** –
- **500** –
### Restart a container
`POST /containers/(id or name)/restart`
Restart the container `id`
**Example request**:
POST /containers/e90e34656806/restart?t=5 HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Query parameters**:
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- **t** –
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**Status codes**:
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- **204** –
- **404** –
- **500** –
### Kill a container
`POST /containers/(id or name)/kill`
Kill the container `id`
**Example request**:
POST /containers/e90e34656806/kill HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Query parameters**:
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- **signal** - Signal to send to the container: integer or string like `SIGINT` .
When not set, `SIGKILL` is assumed and the call waits for the container to exit.
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**Status codes**:
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- **204** –
- **404** –
- **500** –
### Update a container
`POST /containers/(id or name)/update`
Update configuration of one or more containers.
**Example request**:
POST /containers/e90e34656806/update HTTP/1.1
Content-Type: application/json
{
"BlkioWeight": 300,
"CpuShares": 512,
"CpuPeriod": 100000,
"CpuQuota": 50000,
"CpusetCpus": "0,1",
"CpusetMems": "0",
"Memory": 314572800,
"MemorySwap": 514288000,
"MemoryReservation": 209715200,
"KernelMemory": 52428800,
"RestartPolicy": {
"MaximumRetryCount": 4,
"Name": "on-failure"
},
}
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Warnings": []
}
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**Status codes**:
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- **200** –
- **400** –
- **404** –
- **500** –
### Rename a container
`POST /containers/(id or name)/rename`
Rename the container `id` to a `new_name`
**Example request**:
POST /containers/e90e34656806/rename?name=new_name HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Query parameters**:
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- **name** –
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**Status codes**:
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- **204** –
- **404** –
- **409** - conflict name already assigned
- **500** –
### Pause a container
`POST /containers/(id or name)/pause`
Pause the container `id`
**Example request**:
POST /containers/e90e34656806/pause HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Status codes**:
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- **204** –
- **404** –
- **500** –
### Unpause a container
`POST /containers/(id or name)/unpause`
Unpause the container `id`
**Example request**:
POST /containers/e90e34656806/unpause HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Status codes**:
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- **204** –
- **404** –
- **500** –
### Attach to a container
`POST /containers/(id or name)/attach`
Attach to the container `id`
**Example request**:
POST /containers/16253994b7c4/attach?logs=1& stream=0& stdout=1 HTTP/1.1
**Example response**:
HTTP/1.1 101 UPGRADED
Content-Type: application/vnd.docker.raw-stream
Connection: Upgrade
Upgrade: tcp
{{ STREAM }}
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**Query parameters**:
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- **detachKeys** –
container. Format is a single character `[a-Z]` or `ctrl-<value>`
where `<value>` is one of: `a-z` , `@` , `^` , `[` , `,` or `_` .
- **logs** – `false` .
- **stream** –
Default `false` .
- **stdin** – `stream=true` , attach
to `stdin` . Default `false` .
- **stdout** – `logs=true` , return
`stdout` log, if `stream=true` , attach to `stdout` . Default `false` .
- **stderr** – `logs=true` , return
`stderr` log, if `stream=true` , attach to `stderr` . Default `false` .
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**Status codes**:
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- **101** –
- **200** –
- **400** –
- **404** –
- **500** –
**Stream details** :
When using the TTY setting is enabled in
[`POST /containers/create`
](#create-a-container),
the stream is the raw data from the process PTY and client's `stdin` .
When the TTY is disabled, then the stream is multiplexed to separate
`stdout` and `stderr` .
The format is a **Header** and a **Payload** (frame).
**HEADER**
The header contains the information which the stream writes (`stdout` or
`stderr` ). It also contains the size of the associated frame encoded in the
last four bytes (`uint32`).
It is encoded on the first eight bytes like this:
header := [8]byte{STREAM_TYPE, 0, 0, 0, SIZE1, SIZE2, SIZE3, SIZE4}
`STREAM_TYPE` can be:
- 0: `stdin` (is written on `stdout` )
- 1: `stdout`
- 2: `stderr`
`SIZE1, SIZE2, SIZE3, SIZE4` are the four bytes of
the `uint32` size encoded as big endian.
**PAYLOAD**
The payload is the raw stream.
**IMPLEMENTATION**
The simplest way to implement the Attach protocol is the following:
1. Read eight bytes.
2. Choose `stdout` or `stderr` depending on the first byte.
3. Extract the frame size from the last four bytes.
4. Read the extracted size and output it on the correct output.
5. Goto 1.
### Attach to a container (websocket)
`GET /containers/(id or name)/attach/ws`
Attach to the container `id` via websocket
Implements websocket protocol handshake according to [RFC 6455 ](http://tools.ietf.org/html/rfc6455 )
**Example request**
GET /containers/e90e34656806/attach/ws?logs=0& stream=1& stdin=1& stdout=1& stderr=1 HTTP/1.1
**Example response**
{{ STREAM }}
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**Query parameters**:
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- **detachKeys** –
container. Format is a single character `[a-Z]` or `ctrl-<value>`
where `<value>` is one of: `a-z` , `@` , `^` , `[` , `,` or `_` .
- **logs** – `false` .
- **stream** –
Default `false` .
- **stdin** – `stream=true` , attach
to `stdin` . Default `false` .
- **stdout** – `logs=true` , return
`stdout` log, if `stream=true` , attach to `stdout` . Default `false` .
- **stderr** – `logs=true` , return
`stderr` log, if `stream=true` , attach to `stderr` . Default `false` .
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**Status codes**:
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- **200** –
- **400** –
- **404** –
- **500** –
### Wait a container
`POST /containers/(id or name)/wait`
Block until container `id` stops, then returns the exit code
**Example request**:
POST /containers/16253994b7c4/wait HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{"StatusCode": 0}
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Remove a container
`DELETE /containers/(id or name)`
Remove the container `id` from the filesystem
**Example request**:
DELETE /containers/16253994b7c4?v=1 HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Query parameters**:
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- **v** –
associated to the container. Default `false` .
- **force** - 1/True/true or 0/False/false, Kill then remove the container.
Default `false` .
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**Status codes**:
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- **204** –
- **400** –
- **404** –
- **500** –
### Retrieving information about files and folders in a container
`HEAD /containers/(id or name)/archive`
See the description of the `X-Docker-Container-Path-Stat` header in the
following section.
### Get an archive of a filesystem resource in a container
`GET /containers/(id or name)/archive`
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Get a tar archive of a resource in the filesystem of container `id` .
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**Query parameters**:
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- **path** - resource in the container's filesystem to archive. Required.
If not an absolute path, it is relative to the container's root directory.
The resource specified by **path** must exist. To assert that the resource
is expected to be a directory, **path** should end in `/` or `/.`
(assuming a path separator of `/` ). If **path** ends in `/.` then this
indicates that only the contents of the **path** directory should be
copied. A symlink is always resolved to its target.
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> **Note**: It is not possible to copy certain system files such as resources
> under `/proc`, `/sys`, `/dev`, and mounts created by the user in the
> container.
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**Example request**:
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GET /containers/8cce319429b2/archive?path=/root HTTP/1.1
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**Example response**:
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HTTP/1.1 200 OK
Content-Type: application/x-tar
X-Docker-Container-Path-Stat: eyJuYW1lIjoicm9vdCIsInNpemUiOjQwOTYsIm1vZGUiOjIxNDc0ODQwOTYsIm10aW1lIjoiMjAxNC0wMi0yN1QyMDo1MToyM1oiLCJsaW5rVGFyZ2V0IjoiIn0=
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{{ TAR STREAM }}
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On success, a response header `X-Docker-Container-Path-Stat` will be set to a
base64-encoded JSON object containing some filesystem header information about
the archived resource. The above example value would decode to the following
JSON object (whitespace added for readability):
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```json
{
"name": "root",
"size": 4096,
"mode": 2147484096,
"mtime": "2014-02-27T20:51:23Z",
"linkTarget": ""
}
```
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A `HEAD` request can also be made to this endpoint if only this information is
desired.
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**Status codes**:
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- **200** - success, returns archive of copied resource
- **400** - client error, bad parameter, details in JSON response body, one of:
- must specify path parameter (**path** cannot be empty)
- not a directory (**path** was asserted to be a directory but exists as a
file)
- **404** - client error, resource not found, one of:
– `id` does not exist)
- no such file or directory (**path** does not exist)
- **500** - server error
### Extract an archive of files or folders to a directory in a container
`PUT /containers/(id or name)/archive`
Upload a tar archive to be extracted to a path in the filesystem of container
`id` .
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**Query parameters**:
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- **path** - path to a directory in the container
to extract the archive's contents into. Required.
If not an absolute path, it is relative to the container's root directory.
The **path** resource must exist.
- **noOverwriteDirNonDir** - If "1", "true", or "True" then it will be an error
if unpacking the given content would cause an existing directory to be
replaced with a non-directory and vice versa.
**Example request**:
PUT /containers/8cce319429b2/archive?path=/vol1 HTTP/1.1
Content-Type: application/x-tar
{{ TAR STREAM }}
**Example response**:
HTTP/1.1 200 OK
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**Status codes**:
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- **200** –
- **400** - client error, bad parameter, details in JSON response body, one of:
- must specify path parameter (**path** cannot be empty)
- not a directory (**path** should be a directory but exists as a file)
- unable to overwrite existing directory with non-directory
(if **noOverwriteDirNonDir** )
- unable to overwrite existing non-directory with directory
(if **noOverwriteDirNonDir** )
- **403** - client error, permission denied, the volume
or container rootfs is marked as read-only.
- **404** - client error, resource not found, one of:
– `id` does not exist)
- no such file or directory (**path** resource does not exist)
- **500** –
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## 3.2 Images
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### List Images
`GET /images/json`
**Example request**:
GET /images/json?all=0 HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"RepoTags": [
"ubuntu:12.04",
"ubuntu:precise",
"ubuntu:latest"
],
"Id": "8dbd9e392a964056420e5d58ca5cc376ef18e2de93b5cc90e868a1bbc8318c1c",
"Created": 1365714795,
"Size": 131506275,
"VirtualSize": 131506275,
"Labels": {}
},
{
"RepoTags": [
"ubuntu:12.10",
"ubuntu:quantal"
],
"ParentId": "27cf784147099545",
"Id": "b750fe79269d2ec9a3c593ef05b4332b1d1a02a62b4accb2c21d589ff2f5f2dc",
"Created": 1364102658,
"Size": 24653,
"VirtualSize": 180116135,
"Labels": {
"com.example.version": "v1"
}
}
]
**Example request, with digest information**:
GET /images/json?digests=1 HTTP/1.1
**Example response, with digest information**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"Created": 1420064636,
"Id": "4986bf8c15363d1c5d15512d5266f8777bfba4974ac56e3270e7760f6f0a8125",
"ParentId": "ea13149945cb6b1e746bf28032f02e9b5a793523481a0a18645fc77ad53c4ea2",
"RepoDigests": [
"localhost:5000/test/busybox@sha256:cbbf2f9a99b47fc460d422812b6a5adff7dfee951d8fa2e4a98caa0382cfbdbf"
],
"RepoTags": [
"localhost:5000/test/busybox:latest",
"playdate:latest"
],
"Size": 0,
"VirtualSize": 2429728,
"Labels": {}
}
]
The response shows a single image `Id` associated with two repositories
(`RepoTags`): `localhost:5000/test/busybox` : and `playdate` . A caller can use
either of the `RepoTags` values `localhost:5000/test/busybox:latest` or
`playdate:latest` to reference the image.
You can also use `RepoDigests` values to reference an image. In this response,
the array has only one reference and that is to the
`localhost:5000/test/busybox` repository; the `playdate` repository has no
digest. You can reference this digest using the value:
`localhost:5000/test/busybox@sha256:cbbf2f9a99b47fc460d...`
See the `docker run` and `docker build` commands for examples of digest and tag
references on the command line.
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**Query parameters**:
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- **all** –
- **filters** –
- `dangling=true`
- `label=key` or `label="key=value"` of an image label
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- `before` =(`< image-name > [:< tag > ]`, `<image id>` or `<image@digest>` )
- `since` =(`< image-name > [:< tag > ]`, `<image id>` or `<image@digest>` )
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- **filter** - only return images with the specified name
### Build image from a Dockerfile
`POST /build`
Build an image from a Dockerfile
**Example request**:
POST /build HTTP/1.1
{{ TAR STREAM }}
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{"stream": "Step 1..."}
{"stream": "..."}
{"error": "Error...", "errorDetail": {"code": 123, "message": "Error..."}}
The input stream must be a `tar` archive compressed with one of the
following algorithms: `identity` (no compression), `gzip` , `bzip2` , `xz` .
The archive must include a build instructions file, typically called
`Dockerfile` at the archive's root. The `dockerfile` parameter may be
used to specify a different build instructions file. To do this, its value must be
the path to the alternate build instructions file to use.
The archive may include any number of other files,
which are accessible in the build context (See the [*ADD build
command*](../../reference/builder.md#dockerbuilder)).
The build is canceled if the client drops the connection by quitting
or being killed.
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**Query parameters**:
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- **dockerfile** - Path within the build context to the Dockerfile. This is
ignored if `remote` is specified and points to an individual filename.
- **t** – `name:tag` format.
If you omit the `tag` the default `latest` value is assumed.
You can provide one or more `t` parameters.
- **remote** –
URI specifies a filename, the file's contents are placed into a file
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called `Dockerfile` .
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- **q** –
- **nocache** –
- **pull** - Attempt to pull the image even if an older image exists locally.
- **rm** - Remove intermediate containers after a successful build (default behavior).
- **forcerm** - Always remove intermediate containers (includes `rm` ).
- **memory** - Set memory limit for build.
- **memswap** - Total memory (memory + swap), `-1` to enable unlimited swap.
- **cpushares** - CPU shares (relative weight).
- **cpusetcpus** - CPUs in which to allow execution (e.g., `0-3` , `0,1` ).
- **cpuperiod** - The length of a CPU period in microseconds.
- **cpuquota** - Microseconds of CPU time that the container can get in a CPU period.
- **buildargs** –
these values at build-time. Docker uses the `buildargs` as the environment
context for command(s) run via the Dockerfile's `RUN` instruction or for
variable expansion in other Dockerfile instructions. This is not meant for
passing secret values. [Read more about the buildargs instruction ](../../reference/builder.md#arg )
- **shmsize** - Size of `/dev/shm` in bytes. The size must be greater than 0. If omitted the system uses 64MB.
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- **labels** –
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Request Headers:
- **Content-type** – `"application/tar"` .
- **X-Registry-Config** –
object with the following structure:
{
"docker.example.com": {
"username": "janedoe",
"password": "hunter2"
},
"https://index.docker.io/v1/": {
"username": "mobydock",
"password": "conta1n3rize14"
}
}
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This object maps the hostname of a registry to an object containing the
"username" and "password" for that registry. Multiple registries may
be specified as the build may be based on an image requiring
authentication to pull from any arbitrary registry. Only the registry
domain name (and port if not the default "443") are required. However
(for legacy reasons) the "official" Docker, Inc. hosted registry must
be specified with both a "https://" prefix and a "/v1/" suffix even
though Docker will prefer to use the v2 registry API.
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**Status codes**:
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- **200** –
- **500** –
### Create an image
`POST /images/create`
Create an image either by pulling it from the registry or by importing it
**Example request**:
POST /images/create?fromImage=ubuntu HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{"status": "Pulling..."}
{"status": "Pulling", "progress": "1 B/ 100 B", "progressDetail": {"current": 1, "total": 100}}
{"error": "Invalid..."}
...
When using this endpoint to pull an image from the registry, the
`X-Registry-Auth` header can be used to include
a base64-encoded AuthConfig object.
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**Query parameters**:
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- **fromImage** –
digest. This parameter may only be used when pulling an image.
The pull is cancelled if the HTTP connection is closed.
- **fromSrc** –
can be retrieved or `-` to read the image from the request body.
This parameter may only be used when importing an image.
- **repo** –
The repo may include a tag. This parameter may only be used when importing
an image.
- **tag** –
Request Headers:
- **X-Registry-Auth** –
- Credential based login:
```
{
"username": "jdoe",
"password": "secret",
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"email": "jdoe@acme.com"
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}
```
- Token based login:
```
{
"registrytoken": "9cbaf023786cd7..."
}
```
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**Status codes**:
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- **200** –
- **500** –
### Inspect an image
`GET /images/(name)/json`
Return low-level information on the image `name`
**Example request**:
GET /images/example/json HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Id" : "sha256:85f05633ddc1c50679be2b16a0479ab6f7637f8884e0cfe0f4d20e1ebb3d6e7c",
"Container" : "cb91e48a60d01f1e27028b4fc6819f4f290b3cf12496c8176ec714d0d390984a",
"Comment" : "",
"Os" : "linux",
"Architecture" : "amd64",
"Parent" : "sha256:91e54dfb11794fad694460162bf0cb0a4fa710cfa3f60979c177d920813e267c",
"ContainerConfig" : {
"Tty" : false,
"Hostname" : "e611e15f9c9d",
"Volumes" : null,
"Domainname" : "",
"AttachStdout" : false,
"PublishService" : "",
"AttachStdin" : false,
"OpenStdin" : false,
"StdinOnce" : false,
"NetworkDisabled" : false,
"OnBuild" : [],
"Image" : "91e54dfb11794fad694460162bf0cb0a4fa710cfa3f60979c177d920813e267c",
"User" : "",
"WorkingDir" : "",
"Entrypoint" : null,
"MacAddress" : "",
"AttachStderr" : false,
"Labels" : {
"com.example.license" : "GPL",
"com.example.version" : "1.0",
"com.example.vendor" : "Acme"
},
"Env" : [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"ExposedPorts" : null,
"Cmd" : [
"/bin/sh",
"-c",
"#(nop) LABEL com.example.vendor=Acme com.example.license=GPL com.example.version=1.0"
]
},
"DockerVersion" : "1.9.0-dev",
"VirtualSize" : 188359297,
"Size" : 0,
"Author" : "",
"Created" : "2015-09-10T08:30:53.26995814Z",
"GraphDriver" : {
"Name" : "aufs",
"Data" : null
},
"RepoDigests" : [
"localhost:5000/test/busybox/example@sha256:cbbf2f9a99b47fc460d422812b6a5adff7dfee951d8fa2e4a98caa0382cfbdbf"
],
"RepoTags" : [
"example:1.0",
"example:latest",
"example:stable"
],
"Config" : {
"Image" : "91e54dfb11794fad694460162bf0cb0a4fa710cfa3f60979c177d920813e267c",
"NetworkDisabled" : false,
"OnBuild" : [],
"StdinOnce" : false,
"PublishService" : "",
"AttachStdin" : false,
"OpenStdin" : false,
"Domainname" : "",
"AttachStdout" : false,
"Tty" : false,
"Hostname" : "e611e15f9c9d",
"Volumes" : null,
"Cmd" : [
"/bin/bash"
],
"ExposedPorts" : null,
"Env" : [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
],
"Labels" : {
"com.example.vendor" : "Acme",
"com.example.version" : "1.0",
"com.example.license" : "GPL"
},
"Entrypoint" : null,
"MacAddress" : "",
"AttachStderr" : false,
"WorkingDir" : "",
"User" : ""
},
"RootFS": {
"Type": "layers",
"Layers": [
"sha256:1834950e52ce4d5a88a1bbd131c537f4d0e56d10ff0dd69e66be3b7dfa9df7e6",
"sha256:5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef"
]
}
}
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Get the history of an image
`GET /images/(name)/history`
Return the history of the image `name`
**Example request**:
GET /images/ubuntu/history HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"Id": "3db9c44f45209632d6050b35958829c3a2aa256d81b9a7be45b362ff85c54710",
"Created": 1398108230,
"CreatedBy": "/bin/sh -c #(nop) ADD file:eb15dbd63394e063b805a3c32ca7bf0266ef64676d5a6fab4801f2e81e2a5148 in /",
"Tags": [
"ubuntu:lucid",
"ubuntu:10.04"
],
"Size": 182964289,
"Comment": ""
},
{
"Id": "6cfa4d1f33fb861d4d114f43b25abd0ac737509268065cdfd69d544a59c85ab8",
"Created": 1398108222,
"CreatedBy": "/bin/sh -c #(nop) MAINTAINER Tianon Gravi < admwiggin @ gmail . com > - mkimage-debootstrap.sh -i iproute,iputils-ping,ubuntu-minimal -t lucid.tar.xz lucid http://archive.ubuntu.com/ubuntu/",
"Tags": null,
"Size": 0,
"Comment": ""
},
{
"Id": "511136ea3c5a64f264b78b5433614aec563103b4d4702f3ba7d4d2698e22c158",
"Created": 1371157430,
"CreatedBy": "",
"Tags": [
"scratch12:latest",
"scratch:latest"
],
"Size": 0,
"Comment": "Imported from -"
}
]
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Push an image on the registry
`POST /images/(name)/push`
Push the image `name` on the registry
**Example request**:
POST /images/test/push HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{"status": "Pushing..."}
{"status": "Pushing", "progress": "1/? (n/a)", "progressDetail": {"current": 1}}}
{"error": "Invalid..."}
...
If you wish to push an image on to a private registry, that image must already have a tag
into a repository which references that registry `hostname` and `port` . This repository name should
then be used in the URL. This duplicates the command line's flow.
The push is cancelled if the HTTP connection is closed.
**Example request**:
POST /images/registry.acme.com:5000/test/push HTTP/1.1
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**Query parameters**:
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- **tag** –
Request Headers:
- **X-Registry-Auth** –
- Credential based login:
```
{
"username": "jdoe",
"password": "secret",
"email": "jdoe@acme.com",
}
```
- Identity token based login:
```
{
"identitytoken": "9cbaf023786cd7..."
}
```
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Tag an image into a repository
`POST /images/(name)/tag`
Tag the image `name` into a repository
**Example request**:
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POST /images/test/tag?repo=myrepo& tag=v42 HTTP/1.1
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**Example response**:
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HTTP/1.1 201 Created
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**Query parameters**:
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- **repo** –
- **tag** - The new tag name
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**Status codes**:
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- **201** –
- **400** –
- **404** –
- **409** –
- **500** –
### Remove an image
`DELETE /images/(name)`
Remove the image `name` from the filesystem
**Example request**:
DELETE /images/test HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-type: application/json
[
{"Untagged": "3e2f21a89f"},
{"Deleted": "3e2f21a89f"},
{"Deleted": "53b4f83ac9"}
]
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**Query parameters**:
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- **force** –
- **noprune** –
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**Status codes**:
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- **200** –
- **404** –
- **409** –
- **500** –
### Search images
`GET /images/search`
Search for an image on [Docker Hub ](https://hub.docker.com ).
> **Note**:
> The response keys have changed from API v1.6 to reflect the JSON
> sent by the registry server to the docker daemon's request.
**Example request**:
GET /images/search?term=sshd HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"description": "",
"is_official": false,
"is_automated": false,
"name": "wma55/u1210sshd",
"star_count": 0
},
{
"description": "",
"is_official": false,
"is_automated": false,
"name": "jdswinbank/sshd",
"star_count": 0
},
{
"description": "",
"is_official": false,
"is_automated": false,
"name": "vgauthier/sshd",
"star_count": 0
}
...
]
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**Query parameters**:
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- **term** –
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- **limit** –
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- **filters** –
- `stars=<number>`
- `is-automated=(true|false)`
- `is-official=(true|false)`
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**Status codes**:
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- **200** –
- **500** –
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## 3.3 Misc
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### Check auth configuration
`POST /auth`
Validate credentials for a registry and get identity token,
if available, for accessing the registry without password.
**Example request**:
POST /auth HTTP/1.1
Content-Type: application/json
{
"username": "hannibal",
"password": "xxxx",
"serveraddress": "https://index.docker.io/v1/"
}
**Example response**:
HTTP/1.1 200 OK
{
"Status": "Login Succeeded",
"IdentityToken": "9cbaf023786cd7..."
}
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**Status codes**:
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- **200** –
- **204** –
- **500** –
### Display system-wide information
`GET /info`
Display system-wide information
**Example request**:
GET /info HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Architecture": "x86_64",
"ClusterStore": "etcd://localhost:2379",
"CgroupDriver": "cgroupfs",
"Containers": 11,
"ContainersRunning": 7,
"ContainersStopped": 3,
"ContainersPaused": 1,
"CpuCfsPeriod": true,
"CpuCfsQuota": true,
"Debug": false,
"DockerRootDir": "/var/lib/docker",
"Driver": "btrfs",
"DriverStatus": [[""]],
"ExecutionDriver": "native-0.1",
"ExperimentalBuild": false,
"HttpProxy": "http://test:test@localhost:8080",
"HttpsProxy": "https://test:test@localhost:8080",
"ID": "7TRN:IPZB:QYBB:VPBQ:UMPP:KARE:6ZNR:XE6T:7EWV:PKF4:ZOJD:TPYS",
"IPv4Forwarding": true,
"Images": 16,
"IndexServerAddress": "https://index.docker.io/v1/",
"InitPath": "/usr/bin/docker",
"InitSha1": "",
"KernelMemory": true,
"KernelVersion": "3.12.0-1-amd64",
"Labels": [
"storage=ssd"
],
"MemTotal": 2099236864,
"MemoryLimit": true,
"NCPU": 1,
"NEventsListener": 0,
"NFd": 11,
"NGoroutines": 21,
"Name": "prod-server-42",
"NoProxy": "9.81.1.160",
"OomKillDisable": true,
"OSType": "linux",
"OperatingSystem": "Boot2Docker",
"Plugins": {
"Volume": [
"local"
],
"Network": [
"null",
"host",
"bridge"
]
},
"RegistryConfig": {
"IndexConfigs": {
"docker.io": {
"Mirrors": null,
"Name": "docker.io",
"Official": true,
"Secure": true
}
},
"InsecureRegistryCIDRs": [
"127.0.0.0/8"
]
},
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"SecurityOptions": [
"apparmor",
"seccomp",
"selinux"
],
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"ServerVersion": "1.9.0",
"SwapLimit": false,
"SystemStatus": [["State", "Healthy"]],
"SystemTime": "2015-03-10T11:11:23.730591467-07:00"
}
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**Status codes**:
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- **200** –
- **500** –
### Show the docker version information
`GET /version`
Show the docker version information
**Example request**:
GET /version HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
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"Version": "1.12.0",
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"Os": "linux",
"KernelVersion": "3.19.0-23-generic",
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"GoVersion": "go1.6.2",
"GitCommit": "deadbee",
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"Arch": "amd64",
"ApiVersion": "1.24",
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"BuildTime": "2016-06-14T07:09:13.444803460+00:00",
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"Experimental": true
}
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**Status codes**:
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- **200** –
- **500** –
### Ping the docker server
`GET /_ping`
Ping the docker server
**Example request**:
GET /_ping HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: text/plain
OK
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**Status codes**:
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- **200** - no error
- **500** - server error
### Create a new image from a container's changes
`POST /commit`
Create a new image from a container's changes
**Example request**:
POST /commit?container=44c004db4b17& comment=message& repo=myrepo HTTP/1.1
Content-Type: application/json
{
"Hostname": "",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": null,
"Cmd": [
"date"
],
"Mounts": [
{
"Source": "/data",
"Destination": "/data",
"Mode": "ro,Z",
"RW": false
}
],
"Labels": {
"key1": "value1",
"key2": "value2"
},
"WorkingDir": "",
"NetworkDisabled": false,
"ExposedPorts": {
"22/tcp": {}
}
}
**Example response**:
HTTP/1.1 201 Created
Content-Type: application/json
{"Id": "596069db4bf5"}
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**JSON parameters**:
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- **config** - the container's configuration
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**Query parameters**:
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- **container** –
- **repo** –
- **tag** –
- **comment** –
- **author** –
< [hannibal@a-team.com](mailto:hannibal%40a-team.com)>")
- **pause** –
- **changes** –
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**Status codes**:
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- **201** –
- **404** –
- **500** –
### Monitor Docker's events
`GET /events`
Get container events from docker, either in real time via streaming, or via polling (using since).
Docker containers report the following events:
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attach, commit, copy, create, destroy, detach, die, exec_create, exec_detach, exec_start, export, kill, oom, pause, rename, resize, restart, start, stop, top, unpause, update
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Docker images report the following events:
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delete, import, load, pull, push, save, tag, untag
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Docker volumes report the following events:
create, mount, unmount, destroy
Docker networks report the following events:
create, connect, disconnect, destroy
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Docker daemon report the following event:
reload
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**Example request**:
GET /events?since=1374067924
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
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Server: Docker/1.10.0 (linux)
Date: Fri, 29 Apr 2016 15:18:06 GMT
Transfer-Encoding: chunked
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{
"status": "pull",
"id": "alpine:latest",
"Type": "image",
"Action": "pull",
"Actor": {
"ID": "alpine:latest",
"Attributes": {
"name": "alpine"
}
},
"time": 1461943101,
"timeNano": 1461943101301854122
}
{
"status": "create",
"id": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"from": "alpine",
"Type": "container",
"Action": "create",
"Actor": {
"ID": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"Attributes": {
"com.example.some-label": "some-label-value",
"image": "alpine",
"name": "my-container"
}
},
"time": 1461943101,
"timeNano": 1461943101381709551
}
{
"status": "attach",
"id": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"from": "alpine",
"Type": "container",
"Action": "attach",
"Actor": {
"ID": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"Attributes": {
"com.example.some-label": "some-label-value",
"image": "alpine",
"name": "my-container"
}
},
"time": 1461943101,
"timeNano": 1461943101383858412
}
{
"Type": "network",
"Action": "connect",
"Actor": {
"ID": "7dc8ac97d5d29ef6c31b6052f3938c1e8f2749abbd17d1bd1febf2608db1b474",
"Attributes": {
"container": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"name": "bridge",
"type": "bridge"
}
},
"time": 1461943101,
"timeNano": 1461943101394865557
}
{
"status": "start",
"id": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"from": "alpine",
"Type": "container",
"Action": "start",
"Actor": {
"ID": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"Attributes": {
"com.example.some-label": "some-label-value",
"image": "alpine",
"name": "my-container"
}
},
"time": 1461943101,
"timeNano": 1461943101607533796
}
{
"status": "resize",
"id": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"from": "alpine",
"Type": "container",
"Action": "resize",
"Actor": {
"ID": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"Attributes": {
"com.example.some-label": "some-label-value",
"height": "46",
"image": "alpine",
"name": "my-container",
"width": "204"
}
},
"time": 1461943101,
"timeNano": 1461943101610269268
}
{
"status": "die",
"id": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"from": "alpine",
"Type": "container",
"Action": "die",
"Actor": {
"ID": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"Attributes": {
"com.example.some-label": "some-label-value",
"exitCode": "0",
"image": "alpine",
"name": "my-container"
}
},
"time": 1461943105,
"timeNano": 1461943105079144137
}
{
"Type": "network",
"Action": "disconnect",
"Actor": {
"ID": "7dc8ac97d5d29ef6c31b6052f3938c1e8f2749abbd17d1bd1febf2608db1b474",
"Attributes": {
"container": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"name": "bridge",
"type": "bridge"
}
},
"time": 1461943105,
"timeNano": 1461943105230860245
}
{
"status": "destroy",
"id": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"from": "alpine",
"Type": "container",
"Action": "destroy",
"Actor": {
"ID": "ede54ee1afda366ab42f824e8a5ffd195155d853ceaec74a927f249ea270c743",
"Attributes": {
"com.example.some-label": "some-label-value",
"image": "alpine",
"name": "my-container"
}
},
"time": 1461943105,
"timeNano": 1461943105338056026
}
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**Query parameters**:
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- **since** –
- **until** –
- **filters** –
- `container=<string>` ; -- container to filter
- `event=<string>` ; -- event to filter
- `image=<string>` ; -- image to filter
- `label=<string>` ; -- image and container label to filter
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- `type=<string>` ; -- either `container` or `image` or `volume` or `network` or `daemon`
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- `volume=<string>` ; -- volume to filter
- `network=<string>` ; -- network to filter
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- `daemon=<string>` ; -- daemon name or id to filter
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**Status codes**:
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- **200** –
- **500** –
### Get a tarball containing all images in a repository
`GET /images/(name)/get`
Get a tarball containing all images and metadata for the repository specified
by `name` .
If `name` is a specific name and tag (e.g. ubuntu:latest), then only that image
(and its parents) are returned. If `name` is an image ID, similarly only that
image (and its parents) are returned, but with the exclusion of the
'repositories' file in the tarball, as there were no image names referenced.
See the [image tarball format ](#image-tarball-format ) for more details.
**Example request**
GET /images/ubuntu/get
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/x-tar
Binary data stream
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**Status codes**:
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- **200** –
- **500** –
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### Get a tarball containing all images
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`GET /images/get`
Get a tarball containing all images and metadata for one or more repositories.
For each value of the `names` parameter: if it is a specific name and tag (e.g.
`ubuntu:latest` ), then only that image (and its parents) are returned; if it is
an image ID, similarly only that image (and its parents) are returned and there
would be no names referenced in the 'repositories' file for this image ID.
See the [image tarball format ](#image-tarball-format ) for more details.
**Example request**
GET /images/get?names=myname%2Fmyapp%3Alatest& names=busybox
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/x-tar
Binary data stream
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**Status codes**:
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- **200** –
- **500** –
### Load a tarball with a set of images and tags into docker
`POST /images/load`
Load a set of images and tags into a Docker repository.
See the [image tarball format ](#image-tarball-format ) for more details.
**Example request**
POST /images/load
Tarball in body
**Example response**:
HTTP/1.1 200 OK
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**Status codes**:
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- **200** –
- **500** –
### Image tarball format
An image tarball contains one directory per image layer (named using its long ID),
each containing these files:
- `VERSION` : currently `1.0` - the file format version
- `json` : detailed layer information, similar to `docker inspect layer_id`
- `layer.tar` : A tarfile containing the filesystem changes in this layer
The `layer.tar` file contains `aufs` style `.wh..wh.aufs` files and directories
for storing attribute changes and deletions.
If the tarball defines a repository, the tarball should also include a `repositories` file at
the root that contains a list of repository and tag names mapped to layer IDs.
```
{"hello-world":
{"latest": "565a9d68a73f6706862bfe8409a7f659776d4d60a8d096eb4a3cbce6999cc2a1"}
}
```
### Exec Create
`POST /containers/(id or name)/exec`
Sets up an exec instance in a running container `id`
**Example request**:
POST /containers/e90e34656806/exec HTTP/1.1
Content-Type: application/json
{
"AttachStdin": false,
"AttachStdout": true,
"AttachStderr": true,
"DetachKeys": "ctrl-p,ctrl-q",
"Tty": false,
"Cmd": [
"date"
]
}
**Example response**:
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HTTP/1.1 201 Created
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Content-Type: application/json
{
"Id": "f90e34656806",
"Warnings":[]
}
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**JSON parameters**:
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- **AttachStdin** - Boolean value, attaches to `stdin` of the `exec` command.
- **AttachStdout** - Boolean value, attaches to `stdout` of the `exec` command.
- **AttachStderr** - Boolean value, attaches to `stderr` of the `exec` command.
- **DetachKeys** –
container. Format is a single character `[a-Z]` or `ctrl-<value>`
where `<value>` is one of: `a-z` , `@` , `^` , `[` , `,` or `_` .
- **Tty** - Boolean value to allocate a pseudo-TTY.
- **Cmd** - Command to run specified as a string or an array of strings.
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**Status codes**:
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- **201** –
- **404** –
- **409** - container is paused
- **500** - server error
### Exec Start
`POST /exec/(id)/start`
Starts a previously set up `exec` instance `id` . If `detach` is true, this API
returns after starting the `exec` command. Otherwise, this API sets up an
interactive session with the `exec` command.
**Example request**:
POST /exec/e90e34656806/start HTTP/1.1
Content-Type: application/json
{
"Detach": false,
"Tty": false
}
**Example response**:
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HTTP/1.1 200 OK
Content-Type: application/vnd.docker.raw-stream
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{{ STREAM }}
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**JSON parameters**:
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- **Detach** - Detach from the `exec` command.
- **Tty** - Boolean value to allocate a pseudo-TTY.
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**Status codes**:
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- **200** –
- **404** –
- **409** - container is paused
**Stream details** :
Similar to the stream behavior of `POST /containers/(id or name)/attach` API
### Exec Resize
`POST /exec/(id)/resize`
Resizes the `tty` session used by the `exec` command `id` . The unit is number of characters.
This API is valid only if `tty` was specified as part of creating and starting the `exec` command.
**Example request**:
POST /exec/e90e34656806/resize?h=40& w=80 HTTP/1.1
Content-Type: text/plain
**Example response**:
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HTTP/1.1 201 Created
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Content-Type: text/plain
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**Query parameters**:
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- **h** – `tty` session
- **w** –
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**Status codes**:
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- **201** –
- **404** –
### Exec Inspect
`GET /exec/(id)/json`
Return low-level information about the `exec` command `id` .
**Example request**:
GET /exec/11fb006128e8ceb3942e7c58d77750f24210e35f879dd204ac975c184b820b39/json HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
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Content-Type: application/json
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{
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"CanRemove": false,
"ContainerID": "b53ee82b53a40c7dca428523e34f741f3abc51d9f297a14ff874bf761b995126",
"DetachKeys": "",
"ExitCode": 2,
"ID": "f33bbfb39f5b142420f4759b2348913bd4a8d1a6d7fd56499cb41a1bb91d7b3b",
"OpenStderr": true,
"OpenStdin": true,
"OpenStdout": true,
"ProcessConfig": {
"arguments": [
"-c",
"exit 2"
],
"entrypoint": "sh",
"privileged": false,
"tty": true,
"user": "1000"
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},
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"Running": false
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}
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**Status codes**:
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- **200** –
- **404** –
- **500** - server error
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## 3.4 Volumes
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### List volumes
`GET /volumes`
**Example request**:
GET /volumes HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"Volumes": [
{
"Name": "tardis",
"Driver": "local",
"Mountpoint": "/var/lib/docker/volumes/tardis"
}
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],
"Warnings": []
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}
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**Query parameters**:
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- **filters** - JSON encoded value of the filters (a `map[string][]string` ) to process on the volumes list. Available filters:
- `name=<volume-name>` Matches all or part of a volume name.
- `dangling=<boolean>` When set to `true` (or `1` ), returns all volumes that are "dangling" (not in use by a container). When set to `false` (or `0` ), only volumes that are in use by one or more containers are returned.
- `driver=<volume-driver-name>` Matches all or part of a volume driver name.
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**Status codes**:
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- **200** - no error
- **500** - server error
### Create a volume
`POST /volumes/create`
Create a volume
**Example request**:
POST /volumes/create HTTP/1.1
Content-Type: application/json
{
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"Name": "tardis",
"Labels": {
"com.example.some-label": "some-value",
"com.example.some-other-label": "some-other-value"
},
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}
**Example response**:
HTTP/1.1 201 Created
Content-Type: application/json
{
"Name": "tardis",
"Driver": "local",
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"Mountpoint": "/var/lib/docker/volumes/tardis",
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"Status": null,
"Labels": {
"com.example.some-label": "some-value",
"com.example.some-other-label": "some-other-value"
},
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}
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**Status codes**:
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- **201** - no error
- **500** - server error
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**JSON parameters**:
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- **Name** - The new volume's name. If not specified, Docker generates a name.
- **Driver** - Name of the volume driver to use. Defaults to `local` for the name.
- **DriverOpts** - A mapping of driver options and values. These options are
passed directly to the driver and are driver specific.
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- **Labels** - Labels to set on the volume, specified as a map: `{"key":"value" [,"key2":"value2"]}`
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### Inspect a volume
`GET /volumes/(name)`
Return low-level information on the volume `name`
**Example request**:
GET /volumes/tardis
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
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"Name": "tardis",
"Driver": "local",
"Mountpoint": "/var/lib/docker/volumes/tardis/_data",
"Labels": {
"com.example.some-label": "some-value",
"com.example.some-other-label": "some-other-value"
}
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}
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**Status codes**:
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- **200** - no error
- **404** - no such volume
- **500** - server error
### Remove a volume
`DELETE /volumes/(name)`
Instruct the driver to remove the volume (`name`).
**Example request**:
DELETE /volumes/tardis HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Status codes**:
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- **204** - no error
- **404** - no such volume or volume driver
- **409** - volume is in use and cannot be removed
- **500** - server error
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## 3.5 Networks
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### List networks
`GET /networks`
**Example request**:
GET /networks?filters={"type":{"custom":true}} HTTP/1.1
**Example response**:
```
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"Name": "bridge",
"Id": "f2de39df4171b0dc801e8002d1d999b77256983dfc63041c0f34030aa3977566",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"Internal": false,
"IPAM": {
"Driver": "default",
"Config": [
{
"Subnet": "172.17.0.0/16"
}
]
},
"Containers": {
"39b69226f9d79f5634485fb236a23b2fe4e96a0a94128390a7fbbcc167065867": {
"EndpointID": "ed2419a97c1d9954d05b46e462e7002ea552f216e9b136b80a7db8d98b442eda",
"MacAddress": "02:42:ac:11:00:02",
"IPv4Address": "172.17.0.2/16",
"IPv6Address": ""
}
},
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
}
},
{
"Name": "none",
"Id": "e086a3893b05ab69242d3c44e49483a3bbbd3a26b46baa8f61ab797c1088d794",
"Scope": "local",
"Driver": "null",
"EnableIPv6": false,
"Internal": false,
"IPAM": {
"Driver": "default",
"Config": []
},
"Containers": {},
"Options": {}
},
{
"Name": "host",
"Id": "13e871235c677f196c4e1ecebb9dc733b9b2d2ab589e30c539efeda84a24215e",
"Scope": "local",
"Driver": "host",
"EnableIPv6": false,
"Internal": false,
"IPAM": {
"Driver": "default",
"Config": []
},
"Containers": {},
"Options": {}
}
]
```
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**Query parameters**:
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- **filters** - JSON encoded network list filter. The filter value is one of:
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- `driver=<driver-name>` Matches a network's driver.
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- `id=<network-id>` Matches all or part of a network id.
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- `label=<key>` or `label=<key>=<value>` of a network label.
- `name=<network-name>` Matches all or part of a network name.
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- `type=["custom"|"builtin"]` Filters networks by type. The `custom` keyword returns all user-defined networks.
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**Status codes**:
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- **200** - no error
- **500** - server error
### Inspect network
`GET /networks/<network-id>`
**Example request**:
GET /networks/7d86d31b1478e7cca9ebed7e73aa0fdeec46c5ca29497431d3007d2d9e15ed99 HTTP/1.1
**Example response**:
```
HTTP/1.1 200 OK
Content-Type: application/json
{
"Name": "net01",
"Id": "7d86d31b1478e7cca9ebed7e73aa0fdeec46c5ca29497431d3007d2d9e15ed99",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Config": [
{
"Subnet": "172.19.0.0/16",
"Gateway": "172.19.0.1/16"
}
],
"Options": {
"foo": "bar"
}
},
"Internal": false,
"Containers": {
"19a4d5d687db25203351ed79d478946f861258f018fe384f229f2efa4b23513c": {
"Name": "test",
"EndpointID": "628cadb8bcb92de107b2a1e516cbffe463e321f548feb37697cce00ad694f21a",
"MacAddress": "02:42:ac:13:00:02",
"IPv4Address": "172.19.0.2/16",
"IPv6Address": ""
}
},
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
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},
"Labels": {
"com.example.some-label": "some-value",
"com.example.some-other-label": "some-other-value"
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}
}
```
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**Status codes**:
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- **200** - no error
- **404** - network not found
### Create a network
`POST /networks/create`
Create a network
**Example request**:
```
POST /networks/create HTTP/1.1
Content-Type: application/json
{
"Name":"isolated_nw",
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"CheckDuplicate":false,
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"Driver":"bridge",
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"EnableIPv6": true,
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"IPAM":{
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"Config":[
{
"Subnet":"172.20.0.0/16",
"IPRange":"172.20.10.0/24",
"Gateway":"172.20.10.11"
},
{
"Subnet":"2001:db8:abcd::/64",
"Gateway":"2001:db8:abcd::1011"
}
],
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"Options": {
"foo": "bar"
}
},
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"Internal":true,
"Options": {
"com.docker.network.bridge.default_bridge": "true",
"com.docker.network.bridge.enable_icc": "true",
"com.docker.network.bridge.enable_ip_masquerade": "true",
"com.docker.network.bridge.host_binding_ipv4": "0.0.0.0",
"com.docker.network.bridge.name": "docker0",
"com.docker.network.driver.mtu": "1500"
},
"Labels": {
"com.example.some-label": "some-value",
"com.example.some-other-label": "some-other-value"
}
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}
```
**Example response**:
```
HTTP/1.1 201 Created
Content-Type: application/json
{
"Id": "22be93d5babb089c5aab8dbc369042fad48ff791584ca2da2100db837a1c7c30",
"Warning": ""
}
```
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**Status codes**:
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- **201** - no error
- **404** - plugin not found
- **500** - server error
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**JSON parameters**:
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- **Name** - The new network's name. this is a mandatory field
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- **CheckDuplicate** - Requests daemon to check for networks with same name
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- **Driver** - Name of the network driver plugin to use. Defaults to `bridge` driver
- **Internal** - Restrict external access to the network
- **IPAM** - Optional custom IP scheme for the network
- **EnableIPv6** - Enable IPv6 on the network
- **Options** - Network specific options to be used by the drivers
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- **Labels** - Labels to set on the network, specified as a map: `{"key":"value" [,"key2":"value2"]}`
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### Connect a container to a network
`POST /networks/(id)/connect`
Connect a container to a network
**Example request**:
```
POST /networks/22be93d5babb089c5aab8dbc369042fad48ff791584ca2da2100db837a1c7c30/connect HTTP/1.1
Content-Type: application/json
{
"Container":"3613f73ba0e4",
"EndpointConfig": {
"IPAMConfig": {
"IPv4Address":"172.24.56.89",
"IPv6Address":"2001:db8::5689"
}
}
}
```
**Example response**:
HTTP/1.1 200 OK
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**Status codes**:
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- **200** - no error
- **404** - network or container is not found
- **500** - Internal Server Error
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**JSON parameters**:
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- **container** - container-id/name to be connected to the network
### Disconnect a container from a network
`POST /networks/(id)/disconnect`
Disconnect a container from a network
**Example request**:
```
POST /networks/22be93d5babb089c5aab8dbc369042fad48ff791584ca2da2100db837a1c7c30/disconnect HTTP/1.1
Content-Type: application/json
{
"Container":"3613f73ba0e4",
"Force":false
}
```
**Example response**:
HTTP/1.1 200 OK
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**Status codes**:
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- **200** - no error
- **404** - network or container not found
- **500** - Internal Server Error
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**JSON parameters**:
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- **Container** - container-id/name to be disconnected from a network
- **Force** - Force the container to disconnect from a network
### Remove a network
`DELETE /networks/(id)`
Instruct the driver to remove the network (`id`).
**Example request**:
DELETE /networks/22be93d5babb089c5aab8dbc369042fad48ff791584ca2da2100db837a1c7c30 HTTP/1.1
**Example response**:
HTTP/1.1 204 No Content
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**Status codes**:
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- **204** - no error
- **404** - no such network
- **500** - server error
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## 3.6 Nodes
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**Note**: Nodes operations require to first be part of a Swarm.
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### List nodes
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`GET /nodes`
List nodes
**Example request**:
GET /nodes HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"ID": "24ifsmvkjbyhk",
"Version": {
"Index": 8
},
"CreatedAt": "2016-06-07T20:31:11.853781916Z",
"UpdatedAt": "2016-06-07T20:31:11.999868824Z",
"Spec": {
"Role": "MANAGER",
"Membership": "ACCEPTED",
"Availability": "ACTIVE"
},
"Description": {
"Hostname": "bf3067039e47",
"Platform": {
"Architecture": "x86_64",
"OS": "linux"
},
"Resources": {
"NanoCPUs": 4000000000,
"MemoryBytes": 8272408576
},
"Engine": {
"EngineVersion": "1.12.0-dev",
"Plugins": [
{
"Type": "Volume",
"Name": "local"
},
{
"Type": "Network",
"Name": "overlay"
}
]
}
},
"Status": {
"State": "READY"
},
"Manager": {
"Raft": {
"RaftID": 10070664527094528000,
"Addr": "172.17.0.2:4500",
"Status": {
"Leader": true,
"Reachability": "REACHABLE"
}
}
},
"Attachment": {
"Network": {
"ID": "4qvuz4ko70xaltuqbt8956gd1",
"Version": {
"Index": 6
},
"CreatedAt": "2016-06-07T20:31:11.912919752Z",
"UpdatedAt": "2016-06-07T20:31:11.921784144Z",
"Spec": {
"Name": "ingress",
"Labels": {
"com.docker.swarm.internal": "true"
},
"DriverConfiguration": {},
"IPAM": {
"Driver": {},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"DriverState": {
"Name": "overlay",
"Options": {
"com.docker.network.driver.overlay.vxlanid_list": "256"
}
},
"IPAM": {
"Driver": {
"Name": "default"
},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"Addresses": [
"10.255.0.2/16"
]
}
}
]
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**Query parameters**:
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- **filters** – `map[string][]string` ) to process on the
nodes list. Available filters:
- `id=<node id>`
- `name=<node name>`
- `membership=` (`pending`|`accepted`|`rejected`)`
- `role=` (`worker`|`manager`)`
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**Status codes**:
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- **200** –
- **500** –
### Inspect a node
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`GET /nodes/<id>`
Return low-level information on the node `id`
**Example request**:
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GET /nodes/24ifsmvkjbyhk HTTP/1.1
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**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
{
"ID": "24ifsmvkjbyhk",
"Version": {
"Index": 8
},
"CreatedAt": "2016-06-07T20:31:11.853781916Z",
"UpdatedAt": "2016-06-07T20:31:11.999868824Z",
"Spec": {
"Role": "MANAGER",
"Membership": "ACCEPTED",
"Availability": "ACTIVE"
},
"Description": {
"Hostname": "bf3067039e47",
"Platform": {
"Architecture": "x86_64",
"OS": "linux"
},
"Resources": {
"NanoCPUs": 4000000000,
"MemoryBytes": 8272408576
},
"Engine": {
"EngineVersion": "1.12.0-dev",
"Plugins": [
{
"Type": "Volume",
"Name": "local"
},
{
"Type": "Network",
"Name": "overlay"
}
]
}
},
"Status": {
"State": "READY"
},
"Manager": {
"Raft": {
"RaftID": 10070664527094528000,
"Addr": "172.17.0.2:4500",
"Status": {
"Leader": true,
"Reachability": "REACHABLE"
}
}
},
"Attachment": {
"Network": {
"ID": "4qvuz4ko70xaltuqbt8956gd1",
"Version": {
"Index": 6
},
"CreatedAt": "2016-06-07T20:31:11.912919752Z",
"UpdatedAt": "2016-06-07T20:31:11.921784144Z",
"Spec": {
"Name": "ingress",
"Labels": {
"com.docker.swarm.internal": "true"
},
"DriverConfiguration": {},
"IPAM": {
"Driver": {},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"DriverState": {
"Name": "overlay",
"Options": {
"com.docker.network.driver.overlay.vxlanid_list": "256"
}
},
"IPAM": {
"Driver": {
"Name": "default"
},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"Addresses": [
"10.255.0.2/16"
]
}
}
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**Status codes**:
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- **200** –
- **404** –
- **500** –
## 3.7 Swarm
### Initialize a new Swarm
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`POST /swarm/init`
Initialize a new Swarm
**Example request**:
POST /swarm/init HTTP/1.1
Content-Type: application/json
{
"ListenAddr": "0.0.0.0:4500",
"ForceNewCluster": false,
"Spec": {
"AcceptancePolicy": {
"Policies": [
{
"Role": "MANAGER",
"Autoaccept": false
},
{
"Role": "WORKER",
"Autoaccept": true
}
]
},
"Orchestration": {},
"Raft": {},
"Dispatcher": {},
"CAConfig": {}
}
}
**Example response**:
HTTP/1.1 200 OK
Content-Length: 0
Content-Type: text/plain; charset=utf-8
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**Status codes**:
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- **200** –
- **400** –
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- **406** –
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JSON Parameters:
- **ListenAddr** –
the networking interface used for the VXLAN Tunnel Endpoint (VTEP).
- **ForceNewCluster** –
- **Spec** –
- **Policies** –
- **Role** – `WORKER` )
- **Autoaccept** –
automatically accepted in the Swarm.
- **Secret** –
- **Orchestration** –
- **TaskHistoryRetentionLimit** –
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- **Raft** –
- **SnapshotInterval** –
- **KeepOldSnapshots** –
- **LogEntriesForSlowFollowers** –
followers after a snapshot is created.
- **HeartbeatTick** –
- **ElectionTick** –
election.
- **Dispatcher** –
- **HeartbeatPeriod** –
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- **CAConfig** –
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- **NodeCertExpiry** –
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- **ExternalCA** - Configuration for forwarding signing requests to an external
certificate authority.
- **Protocol** - Protocol for communication with the external CA
(currently only "cfssl" is supported).
- **URL** - URL where certificate signing requests should be sent.
- **Options** - An object with key/value pairs that are interpreted
as protocol-specific options for the external CA driver.
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### Join an existing Swarm
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`POST /swarm/join`
Join an existing new Swarm
**Example request**:
POST /swarm/join HTTP/1.1
Content-Type: application/json
{
"ListenAddr": "0.0.0.0:4500",
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"RemoteAddrs": ["node1:4500"],
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"Secret": "",
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"CACertHash": "",
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"Manager": false
}
**Example response**:
HTTP/1.1 200 OK
Content-Length: 0
Content-Type: text/plain; charset=utf-8
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**Status codes**:
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- **200** –
- **400** –
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- **406** –
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JSON Parameters:
- **ListenAddr** –
manager, as well as determining the networking interface used for the VXLAN Tunnel Endpoint (VTEP).
- **RemoteAddr** –
- **Secret** –
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- **CACertHash** –
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- **Manager** –
### Leave a Swarm
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`POST /swarm/leave`
Leave a Swarm
**Example request**:
POST /swarm/leave HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Length: 0
Content-Type: text/plain; charset=utf-8
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**Status codes**:
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- **200** –
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- **406** –
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### Update a Swarm
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`POST /swarm/update`
Update a Swarm
**Example request**:
POST /swarm/update HTTP/1.1
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{
"Name": "default",
"AcceptancePolicy": {
"Policies": [
{
"Role": "WORKER",
"Autoaccept": false
},
{
"Role": "MANAGER",
"Autoaccept": false
}
]
},
"Orchestration": {
"TaskHistoryRetentionLimit": 10
},
"Raft": {
"SnapshotInterval": 10000,
"LogEntriesForSlowFollowers": 500,
"HeartbeatTick": 1,
"ElectionTick": 3
},
"Dispatcher": {
"HeartbeatPeriod": 5000000000
},
"CAConfig": {
"NodeCertExpiry": 7776000000000000
}
}
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**Example response**:
HTTP/1.1 200 OK
Content-Length: 0
Content-Type: text/plain; charset=utf-8
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**Status codes**:
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- **200** –
- **400** –
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- **406** –
JSON Parameters:
- **Policies** –
- **Role** – `WORKER` )
- **Autoaccept** –
automatically accepted in the Swarm.
- **Secret** –
- **Orchestration** –
- **TaskHistoryRetentionLimit** –
- **Raft** –
- **SnapshotInterval** –
- **KeepOldSnapshots** –
- **LogEntriesForSlowFollowers** –
followers after a snapshot is created.
- **HeartbeatTick** –
- **ElectionTick** –
election.
- **Dispatcher** –
- **HeartbeatPeriod** –
- **CAConfig** –
- **NodeCertExpiry** –
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- **ExternalCA** - Configuration for forwarding signing requests to an external
certificate authority.
- **Protocol** - Protocol for communication with the external CA
(currently only "cfssl" is supported).
- **URL** - URL where certificate signing requests should be sent.
- **Options** - An object with key/value pairs that are interpreted
as protocol-specific options for the external CA driver.
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## 3.8 Services
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**Note**: Service operations require to first be part of a Swarm.
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### List services
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`GET /services`
List services
**Example request**:
GET /services HTTP/1.1
**Example response**:
HTTP/1.1 200 OK
Content-Type: application/json
[
{
"ID": "9mnpnzenvg8p8tdbtq4wvbkcz",
"Version": {
"Index": 19
},
"CreatedAt": "2016-06-07T21:05:51.880065305Z",
"UpdatedAt": "2016-06-07T21:07:29.962229872Z",
"Spec": {
"Name": "hopeful_cori",
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"TaskTemplate": {
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"ContainerSpec": {
"Image": "redis"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "ANY"
},
"Placement": {}
},
"Mode": {
"Replicated": {
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"Replicas": 1
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}
},
"UpdateConfig": {
"Parallelism": 1
},
"EndpointSpec": {
"Mode": "VIP",
"Ingress": "PUBLICPORT",
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379
}
]
}
},
"Endpoint": {
"Spec": {},
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379,
"PublicPort": 30000
}
],
"VirtualIPs": [
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.2/16"
},
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.3/16"
}
]
}
}
]
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**Query parameters**:
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- **filters** – `map[string][]string` ) to process on the
services list. Available filters:
- `id=<node id>`
- `name=<node name>`
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**Status codes**:
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- **200** –
- **500** –
### Create a service
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`POST /services/create`
Create a service
**Example request**:
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POST /services/create HTTP/1.1
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Content-Type: application/json
{
"Name": "redis",
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"TaskTemplate": {
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"ContainerSpec": {
"Image": "redis"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {},
"Placement": {}
},
"Mode": {
"Replicated": {
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"Replicas": 1
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}
},
"UpdateConfig": {
"Parallelism": 1
},
"EndpointSpec": {
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379
}
]
}
}
**Example response**:
HTTP/1.1 201 Created
Content-Type: application/json
{
"Id":"ak7w3gjqoa3kuz8xcpnyy0pvl"
}
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**Status codes**:
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- **201** –
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- **406** –
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JSON Parameters:
- **Annotations** –
- **Name** –
- **Labels** –
`{"key":"value"[,"key2":"value2"]}` ).
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- **TaskTemplate** –
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- **ContainerSpec** - Container settings for containers started as part of this task.
- **Image** –
- **Command** –
- **Args** –
- **Env** – `["VAR=value"[,"VAR2=value2"]]` .
- **Dir** –
- **User** –
- **Labels** –
`{"key":"value"[,"key2":"value2"]}` ).
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- **Mounts** –
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service.
- **Target** –
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- **Source** –
- **Type** – `volume` ).
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- **Writable** –
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- **BindOptions** - Optional configuration for the `bind` type.
- **Propagation** – `[r]private` , `[r]shared` , or `[r]slave` .
- **VolumeOptions** – `volume` type.
- **Populate** –
populated with the data from the target. (Default false)
- **Labels** –
- **DriverConfig** –
- **Name** - Name of the driver to use to create the volume.
- **Options** - key/value map of driver specific options.
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- **StopGracePeriod** –
forcefully killing it.
- **Resources** –
of the service.
- **Limits** –
- **CPU** –
- **Memory** –
- **Reservation** –
- **CPU** –
- **Memory** –
- **RestartPolicy** –
as part of this service.
- **Condition** – `on_failure` , or `any` ).
- **Delay** –
- **Attempts** –
is 0, which is ignored).
- **Window** –
0, which is unbounded).
- **Placement** –
- **Mode** – `global` , defaults to `replicated` ).
- **UpdateConfig** –
- **Parallelism** –
parallelism).
- **Delay** –
- **Networks** –
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- **Endpoint** –
- **Spec** –
- **Mode** –
between tasks (`vip` or `dnsrr` ).
- **Ports** –
of: `"Ports": { "<port>/<tcp|udp>: {}" }`
- **VirtualIPs**
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### Remove a service
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
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`DELETE /services/(id or name)`
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Stop and remove the service `id`
**Example request**:
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DELETE /services/16253994b7c4 HTTP/1.1
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**Example response**:
HTTP/1.1 204 No Content
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**Status codes**:
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- **204** –
- **404** –
- **500** –
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### Inspect one or more services
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
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`GET /services/(id or name)`
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Return information on the service `id` .
**Example request**:
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GET /services/1cb4dnqcyx6m66g2t538x3rxha HTTP/1.1
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**Example response**:
{
"ID": "ak7w3gjqoa3kuz8xcpnyy0pvl",
"Version": {
"Index": 95
},
"CreatedAt": "2016-06-07T21:10:20.269723157Z",
"UpdatedAt": "2016-06-07T21:10:20.276301259Z",
"Spec": {
"Name": "redis",
"Task": {
"ContainerSpec": {
"Image": "redis"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "ANY"
},
"Placement": {}
},
"Mode": {
"Replicated": {
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"Replicas": 1
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}
},
"UpdateConfig": {
"Parallelism": 1
},
"EndpointSpec": {
"Mode": "VIP",
"Ingress": "PUBLICPORT",
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379
}
]
}
},
"Endpoint": {
"Spec": {},
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379,
"PublicPort": 30001
}
],
"VirtualIPs": [
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.4/16"
}
]
}
}
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**Status codes**:
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- **200** –
- **404** –
- **500** –
### Update a service
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
might be subject to non backward-compatible changes.
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`POST /services/(id or name)/update`
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Update the service `id` .
**Example request**:
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POST /services/1cb4dnqcyx6m66g2t538x3rxha/update HTTP/1.1
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{
"Name": "top",
"TaskTemplate": {
"ContainerSpec": {
"Image": "busybox",
"Args": [
"top"
]
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "any",
"MaxAttempts": 0
},
"Placement": {}
},
"Mode": {
"Replicated": {
"Replicas": 1
}
},
"UpdateConfig": {
"Parallelism": 1
},
"EndpointSpec": {
"Mode": "vip"
}
}
**Example response**:
HTTP/1.1 200 OK
Content-Length: 0
Content-Type: text/plain; charset=utf-8
**JSON Parameters**:
- **Annotations** –
- **Name** –
- **Labels** –
`{"key":"value"[,"key2":"value2"]}` ).
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- **TaskTemplate** –
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- **ContainerSpec** - Container settings for containers started as part of this task.
- **Image** –
- **Command** –
- **Args** –
- **Env** – `["VAR=value"[,"VAR2=value2"]]` .
- **Dir** –
- **User** –
- **Labels** –
`{"key":"value"[,"key2":"value2"]}` ).
- **Mounts** –
service.
- **Target** –
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- **Source** –
- **Type** – `volume` ).
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- **Writable** –
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- **BindOptions** - Optional configuration for the `bind` type
- **Propagation** – `[r]private` , `[r]shared` , or `[r]slave` .
- **VolumeOptions** – `volume` type.
- **Populate** –
- **Labels** –
- **DriverConfig** –
- **Name** - Name of the driver to use to create the volume
- **Options** - key/value map of driver specific options
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- **StopGracePeriod** –
forcefully killing it.
- **Resources** –
of the service.
- **Limits** –
- **CPU** –
- **Memory** –
- **Reservation** –
- **CPU** –
- **Memory** –
- **RestartPolicy** –
as part of this service.
- **Condition** – `on_failure` , or `any` ).
- **Delay** –
- **Attempts** –
is 0, which is ignored).
- **Window** –
0, which is unbounded).
- **Placement** –
- **Mode** – `global` , defaults to `replicated` ).
- **UpdateConfig** –
- **Parallelism** –
parallelism).
- **Delay** –
- **Networks** –
- **Endpoint** –
- **Spec** –
- **Mode** –
between tasks (`vip` or `dnsrr` ).
- **Ports** –
of: `"Ports": { "<port>/<tcp|udp>: {}" }`
- **VirtualIPs**
**Status codes**:
- **200** –
- **404** –
- **500** –
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## 3.9 Tasks
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**Note**: Tasks operations require to first be part of a Swarm.
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### List tasks
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`GET /tasks`
List tasks
**Example request**:
GET /tasks HTTP/1.1
**Example response**:
[
{
"ID": "0kzzo1i0y4jz6027t0k7aezc7",
"Version": {
"Index": 71
},
"CreatedAt": "2016-06-07T21:07:31.171892745Z",
"UpdatedAt": "2016-06-07T21:07:31.376370513Z",
"Name": "hopeful_cori",
"Spec": {
"ContainerSpec": {
"Image": "redis"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "ANY"
},
"Placement": {}
},
"ServiceID": "9mnpnzenvg8p8tdbtq4wvbkcz",
"Instance": 1,
"NodeID": "24ifsmvkjbyhk",
"ServiceAnnotations": {},
"Status": {
"Timestamp": "2016-06-07T21:07:31.290032978Z",
"State": "FAILED",
"Message": "execution failed",
"ContainerStatus": {}
},
"DesiredState": "SHUTDOWN",
"NetworksAttachments": [
{
"Network": {
"ID": "4qvuz4ko70xaltuqbt8956gd1",
"Version": {
"Index": 18
},
"CreatedAt": "2016-06-07T20:31:11.912919752Z",
"UpdatedAt": "2016-06-07T21:07:29.955277358Z",
"Spec": {
"Name": "ingress",
"Labels": {
"com.docker.swarm.internal": "true"
},
"DriverConfiguration": {},
"IPAM": {
"Driver": {},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"DriverState": {
"Name": "overlay",
"Options": {
"com.docker.network.driver.overlay.vxlanid_list": "256"
}
},
"IPAM": {
"Driver": {
"Name": "default"
},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"Addresses": [
"10.255.0.10/16"
]
}
],
"Endpoint": {
"Spec": {},
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379,
"PublicPort": 30000
}
],
"VirtualIPs": [
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.2/16"
},
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.3/16"
}
]
}
},
{
"ID": "1yljwbmlr8er2waf8orvqpwms",
"Version": {
"Index": 30
},
"CreatedAt": "2016-06-07T21:07:30.019104782Z",
"UpdatedAt": "2016-06-07T21:07:30.231958098Z",
"Name": "hopeful_cori",
"Spec": {
"ContainerSpec": {
"Image": "redis"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "ANY"
},
"Placement": {}
},
"ServiceID": "9mnpnzenvg8p8tdbtq4wvbkcz",
"Instance": 1,
"NodeID": "24ifsmvkjbyhk",
"ServiceAnnotations": {},
"Status": {
"Timestamp": "2016-06-07T21:07:30.202183143Z",
"State": "FAILED",
"Message": "execution failed",
"ContainerStatus": {}
},
"DesiredState": "SHUTDOWN",
"NetworksAttachments": [
{
"Network": {
"ID": "4qvuz4ko70xaltuqbt8956gd1",
"Version": {
"Index": 18
},
"CreatedAt": "2016-06-07T20:31:11.912919752Z",
"UpdatedAt": "2016-06-07T21:07:29.955277358Z",
"Spec": {
"Name": "ingress",
"Labels": {
"com.docker.swarm.internal": "true"
},
"DriverConfiguration": {},
"IPAM": {
"Driver": {},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"DriverState": {
"Name": "overlay",
"Options": {
"com.docker.network.driver.overlay.vxlanid_list": "256"
}
},
"IPAM": {
"Driver": {
"Name": "default"
},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"Addresses": [
"10.255.0.5/16"
]
}
],
"Endpoint": {
"Spec": {},
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379,
"PublicPort": 30000
}
],
"VirtualIPs": [
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.2/16"
},
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.3/16"
}
]
}
}
]
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**Query parameters**:
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- **filters** – `map[string][]string` ) to process on the
services list. Available filters:
- `id=<task id>`
- `name=<task name>`
- `service=<service name>`
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**Status codes**:
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- **200** –
- **500** –
### Inspect a task
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**Warning**: this endpoint is part of the Swarm management feature introduced in Docker 1.12, and
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might be subject to non backward-compatible changes.
`GET /tasks/(task id)`
Get details on a task
**Example request**:
GET /tasks/0kzzo1i0y4jz6027t0k7aezc7 HTTP/1.1
**Example response**:
{
"ID": "0kzzo1i0y4jz6027t0k7aezc7",
"Version": {
"Index": 71
},
"CreatedAt": "2016-06-07T21:07:31.171892745Z",
"UpdatedAt": "2016-06-07T21:07:31.376370513Z",
"Name": "hopeful_cori",
"Spec": {
"ContainerSpec": {
"Image": "redis"
},
"Resources": {
"Limits": {},
"Reservations": {}
},
"RestartPolicy": {
"Condition": "ANY"
},
"Placement": {}
},
"ServiceID": "9mnpnzenvg8p8tdbtq4wvbkcz",
"Instance": 1,
"NodeID": "24ifsmvkjbyhk",
"ServiceAnnotations": {},
"Status": {
"Timestamp": "2016-06-07T21:07:31.290032978Z",
"State": "FAILED",
"Message": "execution failed",
"ContainerStatus": {}
},
"DesiredState": "SHUTDOWN",
"NetworksAttachments": [
{
"Network": {
"ID": "4qvuz4ko70xaltuqbt8956gd1",
"Version": {
"Index": 18
},
"CreatedAt": "2016-06-07T20:31:11.912919752Z",
"UpdatedAt": "2016-06-07T21:07:29.955277358Z",
"Spec": {
"Name": "ingress",
"Labels": {
"com.docker.swarm.internal": "true"
},
"DriverConfiguration": {},
"IPAM": {
"Driver": {},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"DriverState": {
"Name": "overlay",
"Options": {
"com.docker.network.driver.overlay.vxlanid_list": "256"
}
},
"IPAM": {
"Driver": {
"Name": "default"
},
"Configs": [
{
"Family": "UNKNOWN",
"Subnet": "10.255.0.0/16"
}
]
}
},
"Addresses": [
"10.255.0.10/16"
]
}
],
"Endpoint": {
"Spec": {},
"ExposedPorts": [
{
"Protocol": "tcp",
"Port": 6379,
"PublicPort": 30000
}
],
"VirtualIPs": [
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.2/16"
},
{
"NetworkID": "4qvuz4ko70xaltuqbt8956gd1",
"Addr": "10.255.0.3/16"
}
]
}
}
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**Status codes**:
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- **200** –
- **404** –
- **500** –
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# 4. Going further
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## 4.1 Inside `docker run`
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As an example, the `docker run` command line makes the following API calls:
- Create the container
- If the status code is 404, it means the image doesn't exist:
- Try to pull it.
- Then, retry to create the container.
- Start the container.
- If you are not in detached mode:
- Attach to the container, using `logs=1` (to have `stdout` and
`stderr` from the container's start) and `stream=1`
- If in detached mode or only `stdin` is attached, display the container's id.
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## 4.2 Hijacking
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In this version of the API, `/attach` , uses hijacking to transport `stdin` ,
`stdout` , and `stderr` on the same socket.
To hint potential proxies about connection hijacking, Docker client sends
connection upgrade headers similarly to websocket.
Upgrade: tcp
Connection: Upgrade
When Docker daemon detects the `Upgrade` header, it switches its status code
from **200 OK** to **101 UPGRADED** and resends the same headers.
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## 4.3 CORS Requests
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To set cross origin requests to the remote api please give values to
`--api-cors-header` when running Docker in daemon mode. Set * (asterisk) allows all,
default or blank means CORS disabled
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$ dockerd -H="192.168.1.9:2375" --api-cors-header="http://foo.bar"
