5-1.txt

//terminal
// vi server.js

/* server.js 
var express = require('express');
var app = express();

app.get('/', functin(req, res) {
	res.json({'msg': 'some message'})
});

var port = process.env.port || 300;
app.listen(port, function() {
	console.log('server started');
});
*/

//terminal
// vi docker-compose.yml

/* docker-compose.yml
webservice:
	build: . 
	ports:
		- "3000:80"
	environment: 
		port: "80"
*/

//terminal
// docker-compose up
// docker-compose run webservice
// docker ps
// curl http://localhost:3000
// docker-compose ps
// docker ps
// docker stop service_webservice_run_1
// curl http://localhost:3000
// vi server.js

/* changes to server.js

change res.json msg to 'hello world!'

*/

//terminal
// docker-compose up -d
// curl http://localhost:3000
// docker-compose build webservice
// curl http://localhost:3000


//more terminal 
// vi docker-compose.yml

/*
webservice:
	build: . 
	ports:
		- "3000:80"
	environment: 
		port: "80"
	volumes:
		- .:/user/src/app

*/

//terminal
// vi Dockerfile
// vi server.js
// docker-compose up -d
// curl http://localhost:3000
// docker stop 19868a4cae3b
// vi server.js
// docker-compose up -d
// curl http://localhost:3000
// docker ps
// docker exec -it 44262af7e8eb /bin/bash
// touch tempfile