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Dockerの溜まったゴミを消す

Last updated at Posted at 2019-12-06

開発環境でdocker builddocker runを繰り返していると、色々なゴミが溜まってPCのリソースを圧迫していきます。
それらの溜まったゴミを一発で消すコマンドです。(※自己責任で)

###いらないイメージ(<none>イメージ)を消す

docker image prune -f 

###現在起動中のコンテナを全部止めて、全部消す

docker container stop `docker ps -a -q` && docker container prune -f

これはdocker-compose使ってれば、docker-compose downで一発OKなんですが
個別にコンテナ起動してる場合もあると思うので一応

###最強の呪文

docker system prune --all -f

このコマンドは

  - all stopped containers
  - all networks not used by at least one container
  - all images without at least one container associated to them
  - all build cache

ってことで徹底的にゴミを消し去ってくれます。
とてもスッキリするので、ぜひ一度お試しあれ

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