停止中のコンテナ一覧を表示
$ docker ps -f status=exited
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f629f04e6797 ubuntu "/bin/bash" 3 seconds ago Exited (0) 2 seconds ago romantic_knuth
...
起動中のコンテナを停止
$ docker stop $(docker ps -q)
1819ed18e593
6ca5f53e1cf7
9736cd1fc5c4
...
コンテナを全削除
$ docker stop $(docker ps -q)
1819ed18e593
6ca5f53e1cf7
9736cd1fc5c4
...
$ docker rm $(docker ps -aq)
1819ee18e593
6ca5f93e1cf7
9735cd1fc5c4
...
未使用イメージを削除 API 1.25+
$ docker image prune -a
WARNING! This will remove all images without at least one container associated to them.
Are you sure you want to continue? [y/N] y
Deleted Images:
untagged: ubuntu:latest
untagged: ubuntu@sha256:fbaf303d18563e57a3c1a0005356ad102509b60884f3aa89ef9a90c0ea5d1212
deleted: sha256:ec61d13ca5666651ff092b89d46ae958d81c7f3d387ed91ae5c530a38b9896e2
deleted: sha256:608a8923432886028a0216da5e4dfcf384e08530e90e4d5d1502cdc5e57a118f
deleted: sha256:095432e3f1f03903e167576b58357907b4c6f272c54825404d94a7fe4c8b2877
...
Total reclaimed space: 1.268GB
未使用ボリュームを削除 API 1.25+
$ docker volume prune
WARNING! This will remove all volumes not used by at least one container.
Are you sure you want to continue? [y/N] y
Deleted Volumes:
f1d9c2c2796ef0bd7f6b246e630a9b2ba2d295b1cbb866994163c50924a8f434
...
Total reclaimed space: 0B
未使用データを削除 API 1.25+
$ docker system prune
WARNING! This will remove:
- all stopped containers
- all networks not used by at least one container
- all dangling images
- all build cache
Are you sure you want to continue? [y/N] y
Deleted Containers:
9c2fc6a6aedb049f6b130cd06651ff05f9b5506c45f19b1931b7503bf7527e70
9612af43cbc18ad6645c2a0ceaccd0eeb100a2e0a4458bdbb0750a1e2227a562
...
Deleted Images:
deleted: sha256:39ed8a33acbfc17a5323737bab66cb1add06eef80fbb875137c808b9cc7a147b
deleted: sha256:d55fe535f3bd5bd116d2f8da2060694469f67936b31be7ba2b630108b09691f4
deleted: sha256:27b966e232a709c9e46ba45eaf17bb10002e579962e4ec84d0693040db212770
...
Total reclaimed space: 154.8MB
ディスク使用量を表示 API 1.25+
$ docker system df
TYPE TOTAL ACTIVE SIZE RECLAIMABLE
Images 7 5 1.515GB 909.2MB (60%)
Containers 7 3 96.3MB 41.4MB (42%)
Local Volumes 1 1 55.98MB 0B (0%)
Build Cache 0B 0B