1DOCKER(1)                          JUNE 2014                         DOCKER(1)
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NAME

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

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

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

23       --help
24         Print usage statement
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EXAMPLES

29              # docker ps
30              CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                            NAMES
31              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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Find out all the ports mapped

36              # docker port test
37              7890/tcp -> 0.0.0.0:4321
38              9876/tcp -> 0.0.0.0:1234
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Find out a specific mapping

43              # docker port test 7890/tcp
44              0.0.0.0:4321
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46              # docker port test 7890
47              0.0.0.0:4321
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An example showing error for non-existent mapping

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

59       April 2014, Originally compiled by William Henry (whenry at redhat dot
60       com) June 2014, updated by Sven Dowideit ⟨SvenDowideit@home.org.au⟩
61       November 2014, updated by Sven Dowideit ⟨SvenDowideit@home.org.au⟩
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65Docker Community              Docker User Manuals                    DOCKER(1)