从容器拷贝到宿主机:
docker cp [OPTIONS] [CONTAINER_ID]:[SRC_PATH] [DEST_PATH]
从宿主机拷贝到容器:
docker cp [OPTIONS] [DEST_PATH] [CONTAINER_ID]:[SRC_PATH]
docker cp [OPTIONS] [CONTAINER_ID]:[SRC_PATH] [DEST_PATH]
docker cp [OPTIONS] [DEST_PATH] [CONTAINER_ID]:[SRC_PATH]