Man pages sections > man1 > docker-port

docker-port - List port mappings for the CONTAINER, or lookup the public-facing

DOCKER(1) JUNE 2014 DOCKER(1)

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⟩
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