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Docker の未使用コンテナとイメージを削除

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Docker で未使用のコンテナとイメージを削除するありがちなスクリプトです。


nonuse=`echo $(docker ps -aq | awk 'END{print NR}')`
if [ $nonuse != '0' ] ; then
  docker rm `docker ps -aq`
noneimage=`echo $(docker images | awk '/^<none>/' | awk 'END{print NR}')`
if [ $noneimage != '0' ] ; then
  docker rmi $(docker images | awk '/^<none>/ { print $3 }')


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