commit用于对修改后的容器进行镜像构建docker container commit <container-id> [REPOSITORY[:TAG]]

    1. [root@localhost ~]# docker commit
    2. "docker commit" requires at least 1 and at most 2 arguments.
    3. See 'docker commit --help'.
    5. Usage:  docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
    7. Create a new image from a container's changes

    Note
    平时使用commit的方式较少