docker 를 시스템 운영 상태가 아닌 build 나 테스트 하는 과정에서는 수많은 캐시/tag 없는 이미지
중간 컨테이너들이 남게 된다
이때 wsl 을 사용 중 이라면 하드/메모리 낭비도극심해 지는데..
이를 정리할 수 있는 명령어는 아래와 같다
$ sudo docker system prune -a [sudo] password for penza1: WARNING! This will remove: - 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 Are you sure you want to continue? [y/N] y
위 명령을 치면 한번 물어보게 되고 설명대로 실제 많은 image 나 컨테이너들이 사라지게 되니 현재 stop 하거나 한 container 가 없고 테스트나 빌드 상황에서 생긴 것들이 확실 할 때에 사용하도록 하자
이후 아래와같은 정리 상태가 표시되어진다
$ sudo docker system prune -a
Deleted Containers: 5e3303106a3cb49ad387e0744553adf0bece9430f9348c37bda3de4b4801c856 a15ca68d4aaea7c6fe009b4ddf1f1629702a9ae4823b0193a13055469f68cb74 34f22fd9268aef9958768f24276793424b076eb29f0c1b49f9aa837c83ff2152 3a46e62f883dfaccb2d65d7f4fb8cb54eba8722d5ab4dc783f7dfae52bfd5de1 1569d35e37d256ea70b306acc235a46e4c3a57e11a417b4436e4ae29933d1213 563deabe5032f5fc9a51ab73cbd18b4bcd70d761cbc8aa86d2ac2f45e49b0d94 b7932628cd7b027b8a70e598d484b72a7625895cea4f290dbacc8fcf06891492 8c71c2d2ddefdd405b5b8874bda561f4dfddd8ea59b92dc11cdbb477c80d8369 8c21ad6ce7bfa7136f0c2f2ba5bd805a3ea4d45fcafc1a10cf5548ca14956ca5 e3d46405e10a0de7661de524738caaa42b920d4813e8df3c714ba5fafa27381e e7ffd0748cb5af634497fa168943c7f2dbeacbbc32fbf0b3127f3d7383226e7d d1632831a5cea80188351ff499f2aca947bd20e999e81eca1e6d4117c78192d7 f54bfe3c1466f14959ca84f297e51c8a9c8875c96affe03ba8412221a5b07675 f78101b1e19de4066de85780cc3866820e7dcdbacf143aff2159899a4beb1352 d3d653bf3d1b0cf7b3ab4316dff4d936341115e8d08ed89268621134ee07f1b2 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sha256:c966e5e5e2bc8440b0ee8b36bfdf559fd349fa1bd4c3c4bf0a4575e1f483bdc7 deleted: sha256:22109385dd1536b206ff4fafdd1df2a3802b7f8c5150662d6a4d4c4505cb75d0 deleted: sha256:0994f439ae0dd344f04e4b6fb151372e7f37b6354f9b779483ad62de49051e9e deleted: sha256:bcb69884166e03cf7ded5a500cf51648a74cef126663435c81e38e67cee36777 deleted: sha256:3e7f428948f197b7ca5b7da87bec036e99764acc7285c01d235b6d4d0e52766a deleted: sha256:b4f975322bd4bd2478ee119e4de5b76bef7cacc845e53c330e2a556e802a168e deleted: sha256:98ee7738a1068e01754e7e2d739c4ddb7783375cd5979931060f6162d9e79b0a deleted: sha256:41c7f9060cb8d6ba2699b67cb7f0e5f08ab7169b3a5b30c4950b32dc93f665f3 deleted: sha256:d9dc8607d137a5a00cc17dbc6a684ea8876ed1eef59b36c28f50916067144bab deleted: sha256:2bdf245838cabf485b0b759a865311e432f846b060d2622de8da4bf472ef7b0f deleted: sha256:954e659850d97a8aeefbbeb98fd6d9ab70c1e435ac6ccf0c8ed9fefd0d3f2873 deleted: sha256:24f74048628954476c8127353ae2050aa9c634c7def5fcff5d85689e0f6df93f deleted: sha256:eeb6ee3f44bd0b5103bb561b4c16bcb82328cfe5809ab675bb17ab3a16c517c9 deleted: sha256:174f5685490326fc0a1c0f5570b8663732189b327007e47ff13d2ca59673db02 Total reclaimed space: 32.77GB
수많은 build 중 생긴 이미지나 컨테이너들이 사라지면서 32기가가 확보되었다!
추가로 이미지만 prune 하기 위해선 아래 명령을 사용하자
$ sudo docker image prune -a
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