.nh .TH "DOCKER" "1" "Jan 2024" "Docker Community" "Docker User Manuals" .SH NAME .PP docker-container-port - List port mappings or a specific mapping for the container .SH SYNOPSIS .PP \fBdocker container port CONTAINER [PRIVATE_PORT[/PROTO]]\fP .SH DESCRIPTION .PP List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE_PORT .SH EXAMPLES .EX $ 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 .EE .SH Find out all the ports mapped .EX $ docker container port test 7890/tcp -> 0.0.0.0:4321 9876/tcp -> 0.0.0.0:1234 .EE .SH Find out a specific mapping .EX $ docker container port test 7890/tcp 0.0.0.0:4321 $ docker container port test 7890 0.0.0.0:4321 .EE .SH An example showing error for non-existent mapping .EX $ docker container port test 7890/udp 2014/06/24 11:53:36 Error: No public port '7890/udp' published for test .EE .SH OPTIONS .PP \fB-h\fP, \fB--help\fP[=false] help for port .SH SEE ALSO .PP \fBdocker-container(1)\fP