app.js

const express = require('express');
const path = require('path');
const bodyParser = require('body-parser');
const cors = require('cors');
const passport = require('passport');

const app = express();

const users = require('./routes/users');

// Port number
app.set('port',process.env.PORT || 3000);

// CORS Middleware
app.use(cors());

// Set static folder
app.use(express.static(path.join(__dirname, 'public')));

// Body parser Middleware
app.use(bodyParser.json());

// Passport Middleware
app.use(passport.initialize());
app.use(passport.session());

require('./config/passport')(passport);

// /users route 
app.use('/users',users);

// Index Route
app.get('/', function(req, res){
    res.sendFile(index.html);
});

app.get('*', function(req, res){
    res.sendFile(path.join(__dirname, 'public/index.html'));
});

// Start server
app.listen(app.get('port'), function(err){
    if(err) throw err;
    console.log("Server started on port " + app.get('port'));
});