94fc5f8ec3ab 是容器号

docker commit -a "guanliyang" -m "add crontab and docker-php-ext-install bcmath" 94fc5f8ec3ab xiapiphp7.3:v3

推不动

docker push guanliyang/xiapiphp7.3:v3

打标签 2d983216381c 是镜像号

docker tag 2d983216381c guanliyang/xiapiphp7.3:v3