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Merge of docker-website into the docker documentation.

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:title: docker documentation
:description: Common usage and commands
:keywords: Examples, Usage
Base commands
=============
Running an interactive shell
----------------------------
.. code-block:: bash
# Download a base image
docker import base
# Run an interactive shell in the base image,
# allocate a tty, attach stdin and stdout
docker run -a -i -t base /bin/bash
Starting a long-running worker process
--------------------------------------
.. code-block:: bash
# Run docker in daemon mode
(docker -d || echo "Docker daemon already running") &
# Start a very useful long-running process
JOB=$(docker run base /bin/sh -c "while true; do echo Hello world!; sleep 1; done")
# Collect the output of the job so far
docker logs $JOB
# Kill the job
docker kill $JOB
Listing all running containers
------------------------------
.. code-block:: bash
docker ps
Expose a service on a TCP port
------------------------------
.. code-block:: bash
# Expose port 4444 of this container, and tell netcat to listen on it
JOB=$(docker run -p 4444 base /bin/nc -l -p 4444)
# Which public port is NATed to my container?
PORT=$(docker port $JOB 4444)
# Connect to the public port via the host's public address
echo hello world | nc $(hostname) $PORT
# Verify that the network connection worked
echo "Daemon received: $(docker logs $JOB)"

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:title: Command Line Interface
:description: Docker's CLI command description and usage
:keywords: Docker, Docker documentation, CLI, command line
Command Line Interface
======================
Docker Usage
~~~~~~~~~~~~
::
$ docker
Usage: docker COMMAND [arg...]
A self-sufficient runtime for linux containers.
Commands:
attach Attach to a running container
commit Create a new image from a container's changes
diff Inspect changes on a container's filesystem
export Stream the contents of a container as a tar archive
history Show the history of an image
images List images
import Create a new filesystem image from the contents of a tarball
info Display system-wide information
inspect Return low-level information on a container
kill Kill a running container
login Register or Login to the docker registry server
logs Fetch the logs of a container
port Lookup the public-facing port which is NAT-ed to PRIVATE_PORT
ps List containers
pull Pull an image or a repository to the docker registry server
push Push an image or a repository to the docker registry server
restart Restart a running container
rm Remove a container
rmi Remove an image
run Run a command in a new container
start Start a stopped container
stop Stop a running container
tag Tag an image into a repository
version Show the docker version information
wait Block until a container stops, then print its exit code
attach
~~~~~~
::
Usage: docker attach [OPTIONS]
Attach to a running container
-e=true: Attach to stderr
-i=false: Attach to stdin
-o=true: Attach to stdout
commit
~~~~~~
::
Usage: docker commit [OPTIONS] CONTAINER [DEST]
Create a new image from a container's changes
-m="": Commit message
diff
~~~~
::
Usage: docker diff CONTAINER [OPTIONS]
Inspect changes on a container's filesystem
export
~~~~~~
::
Usage: docker export CONTAINER
Export the contents of a filesystem as a tar archive
history
~~~~~~~
::
Usage: docker history [OPTIONS] IMAGE
Show the history of an image
images
~~~~~~
::
Usage: docker images [OPTIONS] [NAME]
List images
-a=false: show all images
-q=false: only show numeric IDs
import
~~~~~~
::
Usage: docker import [OPTIONS] URL|- [REPOSITORY [TAG]]
Create a new filesystem image from the contents of a tarball
info
~~~~
::
Usage: docker info
Display system-wide information.
inspect
~~~~~~~
::
Usage: docker inspect [OPTIONS] CONTAINER
Return low-level information on a container
kill
~~~~
::
Usage: docker kill [OPTIONS] CONTAINER [CONTAINER...]
Kill a running container
login
~~~~~
::
Usage: docker login
Register or Login to the docker registry server
logs
~~~~
::
Usage: docker logs [OPTIONS] CONTAINER
Fetch the logs of a container
port
~~~~
::
Usage: docker port [OPTIONS] CONTAINER PRIVATE_PORT
Lookup the public-facing port which is NAT-ed to PRIVATE_PORT
ps
~~
::
Usage: docker ps [OPTIONS]
List containers
-a=false: Show all containers. Only running containers are shown by default.
-notrunc=false: Don't truncate output
-q=false: Only display numeric IDs
pull
~~~~
::
Usage: docker pull NAME
Pull an image or a repository from the registry
push
~~~~
::
Usage: docker push NAME
Push an image or a repository to the registry
restart
~~~~~~~
::
Usage: docker restart [OPTIONS] NAME
Restart a running container
rm
~~
::
Usage: docker rm [OPTIONS] CONTAINER
Remove a container
rmi
~~~
::
Usage: docker rmi [OPTIONS] IMAGE
Remove an image
-a=false: Use IMAGE as a path and remove ALL images in this path
-r=false: Use IMAGE as a regular expression instead of an exact name
run
~~~
::
Usage: docker run [OPTIONS] IMAGE COMMAND [ARG...]
Run a command in a new container
-a=false: Attach stdin and stdout
-c="": Comment
-i=false: Keep stdin open even if not attached
-m=0: Memory limit (in bytes)
-p=[]: Map a network port to the container
-t=false: Allocate a pseudo-tty
-u="": Username or UID
start
~~~~~
::
Usage: docker start [OPTIONS] NAME
Start a stopped container
stop
~~~~
::
Usage: docker stop [OPTIONS] NAME
Stop a running container
tag
~~~
::
Usage: docker tag [OPTIONS] IMAGE REPOSITORY [TAG]
Tag an image into a repository
-f=false: Force
version
~~~~~~~
::
Usage: docker version
Show the docker version information
wait
~~~~
::
Usage: docker wait [OPTIONS] NAME
Block until a container stops, then print its exit code.

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:title: docker documentation
:description: -- todo: change me
:keywords: todo: change me
Commands
========
Contents:
.. toctree::
:maxdepth: 2
basecommands
cli

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:title: Containers
:description: What are standard containers?
:keywords: containers, lxc, concepts, explanation
Standard Containers
===================
What is a Standard Container?
-----------------------------
Docker defines a unit of software delivery called a Standard Container. The goal of a Standard Container is to encapsulate a software component and all its dependencies in
a format that is self-describing and portable, so that any compliant runtime can run it without extra dependency, regardless of the underlying machine and the contents of the container.
The spec for Standard Containers is currently work in progress, but it is very straightforward. It mostly defines 1) an image format, 2) a set of standard operations, and 3) an execution environment.
A great analogy for this is the shipping container. Just like Standard Containers are a fundamental unit of software delivery, shipping containers (http://bricks.argz.com/ins/7823-1/12) are a fundamental unit of physical delivery.
Standard operations
-----------------------
Just like shipping containers, Standard Containers define a set of STANDARD OPERATIONS. Shipping containers can be lifted, stacked, locked, loaded, unloaded and labelled. Similarly, standard containers can be started, stopped, copied, snapshotted, downloaded, uploaded and tagged.
Content-agnostic
---------------------
Just like shipping containers, Standard Containers are CONTENT-AGNOSTIC: all standard operations have the same effect regardless of the contents. A shipping container will be stacked in exactly the same way whether it contains Vietnamese powder coffee or spare Maserati parts. Similarly, Standard Containers are started or uploaded in the same way whether they contain a postgres database, a php application with its dependencies and application server, or Java build artifacts.
Infrastructure-agnostic
--------------------------
Both types of containers are INFRASTRUCTURE-AGNOSTIC: they can be transported to thousands of facilities around the world, and manipulated by a wide variety of equipment. A shipping container can be packed in a factory in Ukraine, transported by truck to the nearest routing center, stacked onto a train, loaded into a German boat by an Australian-built crane, stored in a warehouse at a US facility, etc. Similarly, a standard container can be bundled on my laptop, uploaded to S3, downloaded, run and snapshotted by a build server at Equinix in Virginia, uploaded to 10 staging servers in a home-made Openstack cluster, then sent to 30 production instances across 3 EC2 regions.
Designed for automation
--------------------------
Because they offer the same standard operations regardless of content and infrastructure, Standard Containers, just like their physical counterpart, are extremely well-suited for automation. In fact, you could say automation is their secret weapon.
Many things that once required time-consuming and error-prone human effort can now be programmed. Before shipping containers, a bag of powder coffee was hauled, dragged, dropped, rolled and stacked by 10 different people in 10 different locations by the time it reached its destination. 1 out of 50 disappeared. 1 out of 20 was damaged. The process was slow, inefficient and cost a fortune - and was entirely different depending on the facility and the type of goods.
Similarly, before Standard Containers, by the time a software component ran in production, it had been individually built, configured, bundled, documented, patched, vendored, templated, tweaked and instrumented by 10 different people on 10 different computers. Builds failed, libraries conflicted, mirrors crashed, post-it notes were lost, logs were misplaced, cluster updates were half-broken. The process was slow, inefficient and cost a fortune - and was entirely different depending on the language and infrastructure provider.
Industrial-grade delivery
----------------------------
There are 17 million shipping containers in existence, packed with every physical good imaginable. Every single one of them can be loaded on the same boats, by the same cranes, in the same facilities, and sent anywhere in the World with incredible efficiency. It is embarrassing to think that a 30 ton shipment of coffee can safely travel half-way across the World in *less time* than it takes a software team to deliver its code from one datacenter to another sitting 10 miles away.
With Standard Containers we can put an end to that embarrassment, by making INDUSTRIAL-GRADE DELIVERY of software a reality.
Standard Container Specification
--------------------------------
(TODO)
Image format
~~~~~~~~~~~~
Standard operations
~~~~~~~~~~~~~~~~~~~
- Copy
- Run
- Stop
- Wait
- Commit
- Attach standard streams
- List filesystem changes
- ...
Execution environment
~~~~~~~~~~~~~~~~~~~~~
Root filesystem
^^^^^^^^^^^^^^^
Environment variables
^^^^^^^^^^^^^^^^^^^^^
Process arguments
^^^^^^^^^^^^^^^^^
Networking
^^^^^^^^^^
Process namespacing
^^^^^^^^^^^^^^^^^^^
Resource limits
^^^^^^^^^^^^^^^
Process monitoring
^^^^^^^^^^^^^^^^^^
Logging
^^^^^^^
Signals
^^^^^^^
Pseudo-terminal allocation
^^^^^^^^^^^^^^^^^^^^^^^^^^
Security
^^^^^^^^

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:title: docker documentation
:description: -- todo: change me
:keywords: todo: change me
Concepts
========
Contents:
.. toctree::
:maxdepth: 1
containers

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Contributing to Docker
======================
Want to hack on Docker? Awesome! There are instructions to get you
started on the website: http://docker.io/gettingstarted.html
They are probably not perfect, please let us know if anything feels
wrong or incomplete.
Contribution guidelines
-----------------------
Pull requests are always welcome
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We are always thrilled to receive pull requests, and do our best to
process them as fast as possible. Not sure if that typo is worth a pull
request? Do it! We will appreciate it.
If your pull request is not accepted on the first try, don't be
discouraged! If there's a problem with the implementation, hopefully you
received feedback on what to improve.
We're trying very hard to keep Docker lean and focused. We don't want it
to do everything for everybody. This means that we might decide against
incorporating a new feature. However, there might be a way to implement
that feature *on top of* docker.
Discuss your design on the mailing list
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We recommend discussing your plans `on the mailing
list <https://groups.google.com/forum/?fromgroups#!forum/docker-club>`__
before starting to code - especially for more ambitious contributions.
This gives other contributors a chance to point you in the right
direction, give feedback on your design, and maybe point out if someone
else is working on the same thing.
Create issues...
~~~~~~~~~~~~~~~~
Any significant improvement should be documented as `a github
issue <https://github.com/dotcloud/docker/issues>`__ before anybody
starts working on it.
...but check for existing issues first!
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Please take a moment to check that an issue doesn't already exist
documenting your bug report or improvement proposal. If it does, it
never hurts to add a quick "+1" or "I have this problem too". This will
help prioritize the most common problems and requests.
Write tests
~~~~~~~~~~~
Golang has a great testing suite built in: use it! Take a look at
existing tests for inspiration.

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:title: Contributing to Docker
:description: Guides on how to contribute to docker
:keywords: Docker, documentation, developers, contributing, dev environment
Setting up a dev environment
============================
Instructions that have been verified to work on Ubuntu 12.10,
.. code:: bash
sudo apt-get -y install lxc wget bsdtar curl golang git
export GOPATH=~/go/
export PATH=$GOPATH/bin:$PATH
mkdir -p $GOPATH/src/github.com/dotcloud
cd $GOPATH/src/github.com/dotcloud
git clone git@github.com:dotcloud/docker.git
cd docker
go get -v github.com/dotcloud/docker/...
go install -v github.com/dotcloud/docker/...
Then run the docker daemon,
.. code:: bash
sudo $GOPATH/bin/docker -d
Run the ``go install`` command (above) to recompile docker.

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:title: Contributing to Docker
:description: Guides on how to contribute to docker
:keywords: Docker, documentation, developers, contributing, dev environment
Contributing
============
.. toctree::
:maxdepth: 1
contributing
devenvironment

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:title: Docker: Hello world example
:description: A simple hello world example with Docker
:keywords: docker, example, hello world
.. _hello_world:
Hello World
===========
This is the most basic example available for using docker
This example assumes you have Docker installed and it will download the busybox image and then use that image to run a simple echo command, that will echo hello world back to the console over standard out.
.. code-block:: bash
$ docker run busybox /bin/echo hello world
**Explanation:**
- **"docker run"** run a command in a new container
- **"busybox"** is the image we want to run the command inside of.
- **"/bin/echo"** is the command we want to run in the container
- **"hello world"** is the input for the echo command
**Video:**
See the example in action
.. raw:: html
<div style="margin-top:10px;">
<iframe width="560" height="350" src="http://ascii.io/a/2561/raw" frameborder="0"></iframe>
</div>
Continue to the :ref:`hello_world_daemon` example.

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:title: Docker: Hello world daemon example
:description: A simple hello world daemon example with Docker
:keywords: docker, example, hello world, daemon
.. _hello_world_daemon:
Hello World Daemon
==================
The most boring daemon ever written.
This example assumes you have Docker installed and with the busybox image already imported. We will use the busybox image to run a simple hello world daemon that will just print hello world to standard out every second. It will continue to do this until we stop it.
**Steps:**
.. code-block:: bash
$ CONTAINER_ID=$(docker run -d busybox /bin/sh -c "while true; do echo hello world; sleep 1; done")
We are going to run a simple hello world daemon in a new container made from the busybox daemon.
- **"docker run -d "** run a command in a new container. We pass "-d" so it runs as a daemon.
- **"busybox"** is the image we want to run the command inside of.
- **"/bin/sh -c"** is the command we want to run in the container
- **"while true; do echo hello world; sleep 1; done"** is the mini script we want to run, that will just print hello world once a second until we stop it.
- **$CONTAINER_ID** the output of the run command will return a container id, we can use in future commands to see what is going on with this process.
.. code-block:: bash
$ docker logs $CONTAINER_ID
Check the logs make sure it is working correctly.
- **"docker logs**" This will return the logs for a container
- **$CONTAINER_ID** The Id of the container we want the logs for.
.. code-block:: bash
$ docker attach $CONTAINER_ID
Attach to the container to see the results in realtime.
- **"docker attach**" This will allow us to attach to a background process to see what is going on.
- **$CONTAINER_ID** The Id of the container we want to attach too.
.. code-block:: bash
$ docker ps
Check the process list to make sure it is running.
- **"docker ps"** this shows all running process managed by docker
.. code-block:: bash
$ docker stop $CONTAINER_ID
Stop the container, since we don't need it anymore.
- **"docker stop"** This stops a container
- **$CONTAINER_ID** The Id of the container we want to stop.
.. code-block:: bash
$ docker ps
Make sure it is really stopped.
**Video:**
See the example in action
.. raw:: html
<div style="margin-top:10px;">
<iframe width="560" height="350" src="http://ascii.io/a/2562/raw" frameborder="0"></iframe>
</div>
Continue to the :ref:`python_web_app` example.

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:title: Docker Examples
:description: Examples on how to use Docker
:keywords: docker, hello world, examples
Examples
============
Contents:
.. toctree::
:maxdepth: 1
hello_world
hello_world_daemon
python_web_app

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:title: Docker: Python Web app example
:description: Building your own python web app using docker
:keywords: docker, example, python, web app
.. _python_web_app:
Building a python web app
=========================
The goal of this example is to show you how you can author your own docker images using a parent image, making changes to it, and then saving the results as a new image. We will do that by making a simple hello flask web application image.
**Steps:**
.. code-block:: bash
$ docker import shykes/pybuilder
We are importing the "shykes/pybuilder" docker image
.. code-block:: bash
$ URL=http://github.com/shykes/helloflask/archive/master.tar.gz
We set a URL variable that points to a tarball of a simple helloflask web app
.. code-block:: bash
$ BUILD_JOB=$(docker run -t shykes/pybuilder:1d9aab3737242c65 /usr/local/bin/buildapp $URL)
Inside of the "shykes/pybuilder" image there is a command called buildapp, we are running that command and passing the $URL variable from step 2 to it, and running the whole thing inside of a new container. BUILD_JOB will be set with the new container_id. "1d9aab3737242c65" came from the output of step 1 when importing image. also available from 'docker images'.
.. code-block:: bash
$ docker attach $BUILD_JOB
[...]
We attach to the new container to see what is going on. Ctrl-C to disconnect
.. code-block:: bash
$ BUILD_IMG=$(docker commit $BUILD_JOB _/builds/github.com/hykes/helloflask/master)
Save the changed we just made in the container to a new image called "_/builds/github.com/hykes/helloflask/master" and save the image id in the BUILD_IMG variable name.
.. code-block:: bash
$ WEB_WORKER=$(docker run -p 5000 $BUILD_IMG /usr/local/bin/runapp)
Use the new image we just created and create a new container with network port 5000, and return the container id and store in the WEB_WORKER variable.
.. code-block:: bash
$ docker logs $WEB_WORKER
* Running on http://0.0.0.0:5000/
view the logs for the new container using the WEB_WORKER variable, and if everything worked as planned you should see the line "Running on http://0.0.0.0:5000/" in the log output.
**Video:**
See the example in action
.. raw:: html
<div style="margin-top:10px;">
<iframe width="720" height="350" src="http://ascii.io/a/2573/raw" frameborder="0"></iframe>
</div>

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FAQ
===
Most frequently asked questions.
---------------------------------------------
1. How much does Docker cost?
Docker is 100% free, it is open source, so you can use it without paying.
2. What open source license are you using?
We are using the Apache License Version 2.0, see it here: https://github.com/dotcloud/docker/blob/master/LICENSE
3. Does Docker run on Mac OS X or Windows?
Not at this time, Docker currently only runs on Linux, but you can use VirtualBox to run Docker in a virtual machine on your box, and get the best of both worlds. Check out the getting started guides for help on setting up your machine.
4. How do containers compare to virtual machines?
Containers are more light weight and can start in less then a second, and are great for lots of different tasks, but they aren't as full featured as virtual machines.
5. Can I help by adding some questions and answers?
Definitely! You can fork the repo and edit the documentation sources right there.
Looking for something else to read? Checkout the :ref:`hello_world` example.

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:title: docker documentation
:description: docker documentation
:keywords:
Documentation
=============
This documentation has the following resources:
.. toctree::
:maxdepth: 1
concepts/index
installation/index
examples/index
contributing/index
commandline/index
faq

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Amazon EC2
==========
Installation
------------
Install vagrant from http://www.vagrantup.com/ (or use your package manager)
clone the repo
Docker can be installed with Vagrant on Amazon EC2, using Vagrant 1.1 is required for EC2, but deploying is as simple as:
::
$ export AWS_ACCESS_KEY_ID=xxx \
AWS_SECRET_ACCESS_KEY=xxx \
AWS_KEYPAIR_NAME=xxx \
AWS_SSH_PRIVKEY=xxx
::
$ vagrant plugin install vagrant-aws
::
$ vagrant up --provider=aws
The environment variables are:
* ``AWS_ACCESS_KEY_ID`` - The API key used to make requests to AWS
* ``AWS_SECRET_ACCESS_KEY`` - The secret key to make AWS API requests
* ``AWS_KEYPAIR_NAME`` - The ID of the keypair used for this EC2 instance
* ``AWS_SSH_PRIVKEY`` - The path to the private key for the named keypair
Make sure your default security zone on AWS includes rights to SSH to your container. Otherwise access will
fail silently.
.. code-block:: bash
vagrant ssh
Now you are in the VM, run docker
.. code-block:: bash
docker
Continue with the :ref:`hello_world` example.

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:title: docker documentation
:description: -- todo: change me
:keywords: todo: change me
Installation
============
Contents:
.. toctree::
:maxdepth: 1
ubuntulinux
macos
windows

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Please note the only 'official' installation is using the :ref:`ubuntu_linux` installation path. This version
may be out of date because it depends on some binaries to be available
Mac OS X and other linux
========================
Requirements
------------
We currently rely on some Ubuntu-linux specific packages, this will change in the future, but for now we provide a
streamlined path to install Virtualbox with a Ubuntu 12.10 image using Vagrant.
1. Install virtualbox from https://www.virtualbox.org/ (or use your package manager)
2. Install vagrant from http://www.vagrantup.com/ (or use your package manager)
3. Install git if you had not installed it before, check if it is installed by running
``git`` in a terminal window
We recommend having at least about 2Gb of free disk space and 2Gb RAM (or more).
Installation
------------
1. Fetch the docker sources
.. code-block:: bash
git clone https://github.com/dotcloud/docker.git
2. Run vagrant from the sources directory
.. code-block:: bash
vagant up
Vagrant will:
* Download the Quantal64 base ubuntu virtual machine image from get.docker.io/
* Boot this image in virtualbox
Then it will use Puppet to perform an initial setup in this machine:
* Download & untar the most recent docker binary tarball to vagrant homedir.
* Debootstrap to /var/lib/docker/images/ubuntu.
* Install & run dockerd as service.
* Put docker in /usr/local/bin.
* Put latest Go toolchain in /usr/local/go.
You now have a Ubuntu Virtual Machine running with docker pre-installed.
To access the VM and use Docker, Run ``vagrant ssh`` from the same directory as where you ran
``vagrant up``. Vagrant will make sure to connect you to the correct VM.
.. code-block:: bash
vagrant ssh
Now you are in the VM, run docker
.. code-block:: bash
docker
Continue with the :ref:`hello_world` example.

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.. _ubuntu_linux:
Ubuntu Linux
============
Installing on Ubuntu 12.04 and 12.10
Right now, the officially supported distributions are:
Ubuntu 12.04 (precise LTS)
Ubuntu 12.10 (quantal)
Docker probably works on other distributions featuring a recent kernel, the AUFS patch, and up-to-date lxc. However this has not been tested.
Install dependencies:
---------------------
::
sudo apt-get install lxc wget bsdtar curl
sudo apt-get install linux-image-extra-`uname -r`
The linux-image-extra package is needed on standard Ubuntu EC2 AMIs in order to install the aufs kernel module.
Install the latest docker binary:
::
wget http://get.docker.io/builds/$(uname -s)/$(uname -m)/docker-master.tgz
tar -xf docker-master.tgz
Run your first container!
::
cd docker-master
::
sudo ./docker run -i -t base /bin/bash
Consider adding docker to your PATH for simplicity.
Continue with the :ref:`hello_world` example.

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:title: Requirements and Installation on Windows
:description: Docker's tutorial to run docker on Windows
:keywords: Docker, Docker documentation, Windows, requirements, virtualbox, vagrant, git, ssh, putty, cygwin
Please note the only 'official' installation is using the :ref:`ubuntu_linux` installation path. This version
may be out of date because it depends on some binaries to be available
Windows
=======
Requirements
------------
1. Install virtualbox from https://www.virtualbox.org - or follow this tutorial__
.. __: http://www.slideshare.net/julienbarbier42/install-virtualbox-on-windows-7
2. Install vagrant from http://www.vagrantup.com - or follow this tutorial__
.. __: http://www.slideshare.net/julienbarbier42/install-vagrant-on-windows-7
3. Install git with ssh from http://git-scm.com/downloads - or follow this tutorial__
.. __: http://www.slideshare.net/julienbarbier42/install-git-with-ssh-on-windows-7
We recommend having at least 2Gb of free disk space and 2Gb of RAM (or more).
Opening a command prompt
------------------------
First open a cmd prompt. Press Windows key and then press “R” key. This will open the RUN dialog box for you. Type “cmd” and press Enter. Or you can click on Start, type “cmd” in the “Search programs and files” field, and click on cmd.exe.
.. image:: images/win/_01.gif
:alt: Git install
:align: center
This should open a cmd prompt window.
.. image:: images/win/_02.gif
:alt: run docker
:align: center
Alternatively, you can also use a Cygwin terminal, or Git Bash (or any other command line program you are usually using). The next steps would be the same.
Launch an Ubuntu virtual server
-------------------------------
Lets download and run an Ubuntu image with docker binaries already installed.
.. code-block:: bash
git clone https://github.com/dotcloud/docker.git
cd docker
vagrant up
.. image:: images/win/run_02_.gif
:alt: run docker
:align: center
Congratulations! You are running an Ubuntu server with docker installed on it. You do not see it though, because it is running in the background.
Log onto your Ubuntu server
---------------------------
Lets log into your Ubuntu server now. To do so you have two choices:
- Use Vagrant on Windows command prompt OR
- Use SSH
Using Vagrant on Windows Command Prompt
```````````````````````````````````````
Run the following command
.. code-block:: bash
vagrant ssh
You may see an error message starting with “`ssh` executable not found”. In this case it means that you do not have SSH in your PATH. If you do not have SSH in your PATH you can set it up with the “set” command. For instance, if your ssh.exe is in the folder named “C:\Program Files (x86)\Git\bin”, then you can run the following command:
.. code-block:: bash
set PATH=%PATH%;C:\Program Files (x86)\Git\bin
.. image:: images/win/run_03.gif
:alt: run docker
:align: center
Using SSH
`````````
First step is to get the IP and port of your Ubuntu server. Simply run:
.. code-block:: bash
vagrant ssh-config
You should see an output with HostName and Port information. In this example, HostName is 127.0.0.1 and port is 2222. And the User is “vagrant”. The password is not shown, but it is also “vagrant”.
.. image:: images/win/ssh-config.gif
:alt: run docker
:align: center
You can now use this information for connecting via SSH to your server. To do so you can:
- Use putty.exe OR
- Use SSH from a terminal
Use putty.exe
'''''''''''''
You can download putty.exe from this page http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
Launch putty.exe and simply enter the information you got from last step.
.. image:: images/win/putty.gif
:alt: run docker
:align: center
Open, and enter user = vagrant and password = vagrant.
.. image:: images/win/putty_2.gif
:alt: run docker
:align: center
SSH from a terminal
'''''''''''''''''''
You can also run this command on your favorite terminal (windows prompt, cygwin, git-bash, …). Make sure to adapt the IP and port from what you got from the vagrant ssh-config command.
.. code-block:: bash
ssh vagrant@127.0.0.1 p 2222
Enter user = vagrant and password = vagrant.
.. image:: images/win/cygwin.gif
:alt: run docker
:align: center
Congratulations, you are now logged onto your Ubuntu Server, running on top of your Windows machine !
Running Docker
--------------
First you have to be root in order to run docker. Simply run the following command:
.. code-block:: bash
sudo su
You are now ready for the dockers “hello world” example. Run
.. code-block:: bash
docker run -a busybox echo hello world
.. image:: images/win/run_04.gif
:alt: run docker
:align: center
All done!
Now you can continue with the :ref:`hello_world` example.