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52df69f00d
Command name should be a H1 Only Description, Examples, and Related Commands should be H2 Changed 'Related information' heading to 'Related commands' since 99% it is only linking commands Added some examples where relevant Signed-off-by: Misty Stanley-Jones <misty@docker.com>
47 lines
1.4 KiB
Markdown
47 lines
1.4 KiB
Markdown
---
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title: "port"
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description: "The port command description and usage"
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keywords: "port, mapping, container"
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---
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<!-- This file is maintained within the docker/docker Github
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repository at https://github.com/docker/docker/. Make all
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pull requests against that repo. If you see this file in
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another repository, consider it read-only there, as it will
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periodically be overwritten by the definitive file. Pull
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requests which include edits to this file in other repositories
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will be rejected.
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-->
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# port
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```markdown
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Usage: docker port CONTAINER [PRIVATE_PORT[/PROTO]]
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List port mappings or a specific mapping for the container
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Options:
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--help Print usage
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```
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## Examples
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### Show all mapped ports
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You can find out all the ports mapped by not specifying a `PRIVATE_PORT`, or
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just a specific mapping:
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```bash
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$ docker ps
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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b650456536c7 busybox:latest top 54 minutes ago Up 54 minutes 0.0.0.0:1234->9876/tcp, 0.0.0.0:4321->7890/tcp test
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$ docker port test
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7890/tcp -> 0.0.0.0:4321
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9876/tcp -> 0.0.0.0:1234
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$ docker port test 7890/tcp
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0.0.0.0:4321
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$ docker port test 7890/udp
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2014/06/24 11:53:36 Error: No public port '7890/udp' published for test
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$ docker port test 7890
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0.0.0.0:4321
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```
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