docker卸载镜像

1.docker ps -a查看运行的镜像容器进程

[root@flower-core mydata]# docker ps -a
CONTAINER ID   IMAGE       COMMAND                  CREATED       STATUS             PORTS                                                  NAMES
81f1c2490bdf   redis       "docker-entrypoint.s…"   13 days ago   Up About an hour   0.0.0.0:6379->6379/tcp, :::6379->6379/tcp              redis
91b71dd3e55a   mysql:5.7   "docker-entrypoint.s…"   13 days ago   Up About an hour   0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp   mysql

2.docker stop CONTAINER ID例如要删除mysql镜像,停止该镜像容器进程

docker stop 91b71dd3e55a

3.docker rm CONTAINER ID 卸载镜像容器

docker rm 91b71dd3e55a

4.docker images 查看当前docker的镜像IMAGE ID

[root@flower-core mydata]# docker images
REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
redis        latest    aea9b698d7d1   3 weeks ago   113MB
mysql        5.7       738e7101490b   3 weeks ago   448MB

5.docker rmi IMAGE ID 删除镜像

[root@flower-core mydata]# docker rmi 738e7101490b
Untagged: mysql:latest
Untagged: nginx@sha256:366e9f1ddebdb844044c2fafd13b75271a9f620819370f8971220c2b330a9254
Deleted: sha256:f6987c8d6ed59543e9f34327c23e12141c9bad1916421278d720047ccc8e1bee
Deleted: sha256:7a9fa9abb8f38aafaef0a3d61bc83022234ab9319cfb808cbc1c3ef54871e169
Deleted: sha256:ca445a5b504f4cc47b9770500a1ed358052e1ad84a5b668eb0ea3094cc3d381f
Deleted: sha256:11fb178a72e8116c0d9e200045d287acb4f97386126c21dc66ce23ff75e64616
Deleted: sha256:bcfff1a0df2b9155f1a2e61f811e9e47fdc22b8ddf590c044959e5680233e230
Deleted: sha256:8f50608b8231a17100a2b41350fb797999a366b138b483fec7a5ceee86deff91
Deleted: sha256:2edcec3590a4ec7f40cf0743c15d78fb39d8326bc029073b41ef9727da6c851f

>注意：一定先删除容器，再删除镜像