---
name: "docker-container-port"
section: "1"
platform: "linux"
package: "docker"
version: "1:29.9.2-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/docker-container-port"
---

# docker-container-port(1)

List port mappings or a specific mapping for the container

## NAME

docker-container-port - List port mappings or a specific mapping for the container

## SYNOPSIS

**docker container port CONTAINER \[PRIVATE\_PORT\[/PROTO\]\]**

## DESCRIPTION

List port mappings for the CONTAINER, or lookup the public-facing port that is NAT-ed to the PRIVATE\_PORT

## EXAMPLES

```
$ 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
```

## Find out all the ports mapped

```
$ docker container port test
7890/tcp -> 0.0.0.0:4321
9876/tcp -> 0.0.0.0:1234
```

## Find out a specific mapping

```
$ docker container port test 7890/tcp
0.0.0.0:4321
$ docker container port test 7890
0.0.0.0:4321
```

## An example showing error for non-existent mapping

```
$ docker container port test 7890/udp
2014/06/24 11:53:36 Error: No public port '7890/udp' published for test
```

## SEE ALSO

**[docker-container(1)](/docker-container/1.md)**