github.com/guilhermebr/docker@v1.4.2-0.20150428121140-67da055cebca/docs/man/docker-port.1.md (about)

     1  % DOCKER(1) Docker User Manuals
     2  % Docker Community
     3  % JUNE 2014
     4  # NAME
     5  docker-port - List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT
     6  
     7  # SYNOPSIS
     8  **docker port**
     9  [**--help**]
    10  CONTAINER [PRIVATE_PORT[/PROTO]]
    11  
    12  # DESCRIPTION
    13  List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT
    14  
    15  # OPTIONS
    16  **--help**
    17    Print usage statement
    18  
    19  # EXAMPLES
    20  You can find out all the ports mapped by not specifying a `PRIVATE_PORT`, or
    21  ask for just a specific mapping:
    22  
    23      $ docker ps test
    24      CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS                                            NAMES
    25      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
    26      $ docker port test
    27      7890/tcp -> 0.0.0.0:4321
    28      9876/tcp -> 0.0.0.0:1234
    29      $ docker port test 7890/tcp
    30      0.0.0.0:4321
    31      $ docker port test 7890/udp
    32      2014/06/24 11:53:36 Error: No public port '7890/udp' published for test
    33      $ docker port test 7890
    34      0.0.0.0:4321
    35  
    36  # HISTORY
    37  April 2014, Originally compiled by William Henry (whenry at redhat dot com)
    38  June 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>
    39  November 2014, updated by Sven Dowideit <SvenDowideit@home.org.au>