.TH "DOCKER" "1" " Docker User Manuals" "Docker Community" "JUNE 2014" "" .SH NAME .PP docker\-port \- List port mappings for the CONTAINER, or lookup the public\-facing port that is NAT\-ed to the PRIVATE\_PORT .SH SYNOPSIS .PP \fBdocker port\fP [\fB\-\-help\fP] CONTAINER [PRIVATE\_PORT[/PROTO]] .SH DESCRIPTION .PP List port mappings for the CONTAINER, or lookup the public\-facing port that is NAT\-ed to the PRIVATE\_PORT .SH OPTIONS .PP \fB\-\-help\fP Print usage statement .SH EXAMPLES .PP You can find out all the ports mapped by not specifying a \fB\fCPRIVATE\_PORT\fR, or ask for just a specific mapping: .PP .RS .nf $ docker ps test 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 $ docker port test 7890/tcp \-> 0.0.0.0:4321 9876/tcp \-> 0.0.0.0:1234 $ docker port test 7890/tcp 0.0.0.0:4321 $ docker port test 7890/udp 2014/06/24 11:53:36 Error: No public port '7890/udp' published for test $ docker port test 7890 0.0.0.0:4321 .fi .RE .SH HISTORY .PP April 2014, Originally compiled by William Henry (whenry at redhat dot com) June 2014, updated by Sven Dowideit \[la]SvenDowideit@home.org.au\[ra] November 2014, updated by Sven Dowideit \[la]SvenDowideit@home.org.au\[ra]