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>