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docker-cli/components/cli/man/src/container/port.md
Yong Tang f08bf3eff7 Make markdown for man pages of docker container ... consistent 
This fix updates the markdown for man pages of `docker container ...`
so that they are consistent. The changes are based on feedback:
https://github.com/docker/docker/pull/30645#discussion_r99020188
https://github.com/docker/docker/pull/30645#discussion_r99020304

1. Use `H2 (##)` as needed
2. Use unrpiviledged prompt (`$`) instead of (`#`)

This PR convers files under man/src/container/*.md

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: b8b156f343
Component: cli
2017-06-02 00:10:52 +00:00

899 B
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List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT

EXAMPLES

$ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                            NAMES
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

Find out all the ports mapped

$ docker container port test
7890/tcp -> 0.0.0.0:4321
9876/tcp -> 0.0.0.0:1234

Find out a specific mapping

$ docker container port test 7890/tcp
0.0.0.0:4321

$ docker container port test 7890
0.0.0.0:4321

An example showing error for non-existent mapping

$ docker container port test 7890/udp
2014/06/24 11:53:36 Error: No public port '7890/udp' published for test