5-3.txt

//terminal
// cd notifications-service/
// vi Dockerfile

/* Dockerfile
FROM node:0.12.7

RUN mkdir -p /user/src/app
WORKDIR /usr/src/app

COPY . /usr/src/app
RUN npm install

EXPOSE 3000

CMD [ "npm", "start" ]

*/

//terminal
// vi server.js

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

app.get('/notify', function(req, res) {
	//Code to sned user an email notification...
	console.log('user notified');
	res.json({msg: 'user notified'});
});

app.listen(process.env.port || 3000);
*/

// vi server.js

/* server.js
var express = require('express');
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var request = require('superagent');
var User = require('./models/User');
var app = express();
app.use(bodyParser.json());

mongoUri = process.env.mongoUri
mongoose.connect(mongoUri);

app.get('/users', function(req, res) {
	User.find({}, function(err, users) {
		if(err) res.status(500).json({success: false})
		else {
			res.json(users);
		}
	});
});

app.post('/users', function(req,res) {
	console.log('post /users');
	var user = new User(req.body);
	user.save(function(err, user) {
		if (err) res.status(500).json({success: false})
		else {
			reques.get('http://notifications/notify', function(response) {
				res.json(user);
			});
		}
	});
});

var port = process.env.port || 3000;
app.listen(port, function() {
	console.log('server started');
});
*/

//terminal 
// vi docker-compose.yml

/* docker-compose.yml
database:
	image: mongo

notifications:
	build: ./notifications-service
	environment:
		port: "80"

api:
	build: .
	volumes:
		- .:/usr/src/app
	ports:
		- "3000:80"
	links:
		- database
		- notifications
	environment:
		port: "80"
		mongoUri: "mongodb://database/app-dev"
*/

//terminal
// docker-compose up 
// docker ps
// docker exec -it 3a0a9b353bee /bin/bash
// cat /etc/hosts
// exit
// vi docker-compose.yml
// cd notifications-service/
// vi docker-compose.yml

/* notifications-service/docker-compose.yml
notifications:
	build: .
	ports:
	 - "3000:80"
*/