[🐳Docker] image 삭제하기

image 삭제 시도 시 오류 발생

→ container를 종료시켜도 해당 이미지를 사용하는 container가 존재한다면 먼저 삭제해야 이미지를 삭제할 수 있다.

C:\Users\korea>docker images
REPOSITORY                      TAG       IMAGE ID       CREATED       SIZE
nginx                           latest    55f4b40fe486   2 weeks ago   142MB
deeplearningzerotoall/pytorch   latest    2b3fd7327ec7   3 years ago   4.14GB

C:\Users\korea>docker rmi nginx
Error response from daemon: conflict: unable to remove repository reference "nginx" (must force) - container c2c7a76f1dfc is using its referenced image 55f4b40fe486

 

내려간 container까지 확인

docker container ls -a

C:\Users\korea>docker container ls -a
CONTAINER ID   IMAGE     COMMAND                  CREATED       STATUS                     PORTS     NAMES
c2c7a76f1dfc   nginx     "/docker-entrypoint.…"   3 hours ago   Exited (137) 3 hours ago             jolly_bose
d974dec53692   nginx     "/docker-entrypoint.…"   4 hours ago   Exited (137) 4 hours ago             naughty_dubinsky
495e426c150b   nginx     "/docker-entrypoint.…"   4 hours ago   Exited (137) 4 hours ago             xenodochial_yalow

container 삭제

docker container rm <CONTAINER ID>

C:\Users\korea>docker container rm c2c7a76f1dfc
c2c7a76f1dfc

C:\Users\korea>docker container ls -a
CONTAINER ID   IMAGE     COMMAND                  CREATED       STATUS                     PORTS     NAMES
d974dec53692   nginx     "/docker-entrypoint.…"   4 hours ago   Exited (137) 4 hours ago             naughty_dubinsky
495e426c150b   nginx     "/docker-entrypoint.…"   4 hours ago   Exited (137) 4 hours ago             xenodochial_yalow

이제 이미지를 삭제하고자 한다.

docker rmi nginx

C:\Users\korea>docker images
REPOSITORY                      TAG       IMAGE ID       CREATED       SIZE
nginx                           latest    55f4b40fe486   2 weeks ago   142MB
deeplearningzerotoall/pytorch   latest    2b3fd7327ec7   3 years ago   4.14GB

C:\Users\korea>docker rmi nginx
Untagged: nginx:latest
Untagged: nginx@sha256:10f14ffa93f8dedf1057897b745e5ac72ac5655c299dade0aa434c71557697ea
Deleted: sha256:55f4b40fe486a5b734b46bb7bf28f52fa31426bf23be068c8e7b19e58d9b8deb
Deleted: sha256:5f58fed9b4d8e6c09cdc42eed6de6df7a7e35b40d92c98f30f8ecad4960fb7a0
Deleted: sha256:8bb72c1d014292ebf1ae348a77624c536e766757356c6dbb0de75122a94b445d
Deleted: sha256:cc9ac0adbded956d924bcf6c26ffbc93ea070019be1437d204b530a033ff4b16
Deleted: sha256:30f210588f35917f0edb5a2465db7ad60e4ef3b6ac74fe155474e14e6f0995c5
Deleted: sha256:5ecd5431cf49a2a11115844de1e7b23b9535be8789add9ab50973867db5f7d36
Deleted: sha256:08249ce7456a1c0613eafe868aed936a284ed9f1d6144f7d2d08c514974a2af9

C:\Users\korea>docker images
REPOSITORY                      TAG       IMAGE ID       CREATED       SIZE
deeplearningzerotoall/pytorch   latest    2b3fd7327ec7   3 years ago   4.14GB