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DockerCLI/man/docker-port.1.md

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% DOCKER(1) Docker User Manuals % Docker Community % JUNE 2014

NAME

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

SYNOPSIS

docker port [--help] CONTAINER [PRIVATE_PORT[/PROTO]]

DESCRIPTION

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

OPTIONS

--help Print usage statement

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

Find out a specific mapping

# docker port test 7890/tcp
0.0.0.0:4321

# docker port test 7890
0.0.0.0:4321

An example showing error for non-existent mapping

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

HISTORY

April 2014, Originally compiled by William Henry (whenry at redhat dot com) June 2014, updated by Sven Dowideit SvenDowideit@home.org.au November 2014, updated by Sven Dowideit SvenDowideit@home.org.au