docker打包上传到hub的思路

1. 构建 Dockerfile

2. 创建本地docker

docker build -t docker-node-app .

1. docker先本地跑起来

docker run -it -p 3000:3000 docker-node-app

1. docker login

2. docker commit <CONTAINER> <hub-user>/<repo-name>:<tag>

3. docker push <hub-user>/<repo-name>:<tag>