linux下docker和主机之间的文件拷贝
从主机复制到容器sudo docker cp host_path containerID:container_path
从容器复制到主机sudo docker cp containerID:container_path host_path
从主机复制到容器sudo docker cp host_path containerID:container_path
从容器复制到主机sudo docker cp containerID:container_path host_path