Docker rmi命令具有什么功能呢?

docker rmi功能:
    删除本地一个或多个镜像

docker rmi命令语法

 
 docker rmi [OPTIONS] IMAGE [IMAGE...]

参数说明:
-f:强制删除
--no-prune:不移除该镜像的过程镜像,默认移除

如:
  docker rmi 镜像id/镜像名称
 删除多个镜像
  docker rmi 镜像id1 镜像id2

 [root@node0 tmp]# docker images |grep nginx
java265.com/nginx                                   latest                   0e901e68141f        7 months ago        142 MB
docker.io/nginx                                     latest                   0e901e68141f        7 months ago        142 MB
[root@node0 tmp]# docker rmi java265.com/nginx
Untagged: java265.com/nginx:latest
[root@node0 tmp]# docker images |grep nginx
docker.io/nginx                                     latest                   0e901e68141f        7 months ago        142 MB
[root@node0 tmp]# docker rmi docker.io/nginx
Error response from daemon: conflict: unable to remove repository reference "docker.io/nginx" (must force) - container 215d379c112f is using its referenced image 0e901e68141f
[root@node0 tmp]# docker rmi -f docker.io/nginx
Untagged: docker.io/nginx:latest
Untagged: docker.io/nginx@sha256:2bcabc23b45489fb0885d69a06ba1d648aeda973fae7bb981bafbb884165e514