https://nodejs.org/en/docs/guides/nodejs-docker-webapp/
$ docker build -t /node-web-app .
$ docker images
$ docker run -p 49160:8080 -d /node-web-app
$ docker ps
$ docker logs
Running on http://localhost:8080
$ docker exec -it /bin/bash
$ docker ps
ID IMAGE COMMAND ... PORTS ecce33b30ebf /node-web-app:latest npm start ... 49160->8080
$ curl -i localhost:49160
HTTP/1.1 200 OK X-Powered-By: Express Content-Type: text/html; charset=utf-8 Content-Length: 12 ETag: W/"c-M6tWOb/Y57lesdjQuHeB1P/qTV0" Date: Mon, 13 Nov 2017 20:53:59 GMT Connection: keep-alive
Hello world