Error response from daemon: conflict: unable to delete 927899a31456 (cannot be forced) - image is be

问题：docker无法删除镜像
解决方案：

1、执行如下两条命令
docker ps -a | grep “Exited” | awk ‘{print $1 }’|xargs docker stop

docker ps -a | grep “Exited” | awk ‘{print $1 }’|xargs docker rm

2、先查看docker中的镜像
docker images
3、再执行删除命令：docker rmi 镜像id