1. Docker build image

[Docker build](https://docs.docker.com/engine/reference/commandline/build/)
`docker build -t image_name .`
`docker build . -t <your username>/nodejs-be`
`docker build . -t hoangtd/nodejs-be`

2. Run docker container from docker image

`docker run -p 49160:8080 -d <your username>/nodejs-be`

3. Print the output of your app

`docker ps`
`docker logs <container id>`
`docker exec -it <container id> /bin/bash`

4. Push to dockerhub

`docker build -t duyhoangptit/nodejs-cicd:tagname .`
`docker push duyhoangptit/nodejs-cicd:tagname`

5. Note

 --production de loai bo cac lib trong devDependencies
 --silent: loai bo bot log o terminal
 --no-cache: Neu muon bo cache thi them option nay vao cuoi cung khi build image
 su dung
 unit test: https://viblo.asia/p/unit-test-cho-nodejs-restful-api-voi-mocha-va-chai-bWrZnLAv5xw