-- 容器删除
docker rm CONTAIN_ID|CONTAIN_NAME
-- 镜像删除
docker rmi IMAGE_ID|IMAGE_NAME
-- 进入容器
docker exec -it CONTAIN_ID|CONTAIN_NAME TTY
示例：docker exec -it node_server /bin/bash
-- 容器内容考入考出
考入：sudo docker cp host_path containerID:container_path
考出：sudo docker cp containerID:container_path host_path
