docker容器的导出为镜像、tar包及加载
docker commit your_container_id new_image_name:new_version
docker save -o new_image.tar new_image_name:new_version
docker load -i new_image.tar
docker commit your_container_id new_image_name:new_version
docker save -o new_image.tar new_image_name:new_version
docker load -i new_image.tar