docker port
Estimated reading time: 1 minuteEdge only: This is the CLI reference for Docker CE Edge versions. Some of these options may not be available to Docker CE stable or Docker EE. You can view the stable version of this CLI reference or learn about Docker CE Edge.
Description
List port mappings or a specific mapping for the container
Usage
docker port CONTAINER [PRIVATE_PORT[/PROTO]]
Parent command
Command | Description |
---|---|
docker | The base command for the Docker CLI. |
Examples
Show all mapped ports
You can find out all the ports mapped by not specifying a PRIVATE_PORT
, or
just a specific mapping:
$ 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
$ 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