index.js

/* ===================
   Import Node Modules
=================== */
const express = require('express'); // Fast, unopinionated, minimalist web framework for node.
const app = express(); // Initiate Express Application
const router = express.Router(); // Creates a new router object.
const mongoose = require('mongoose'); // Node Tool for MongoDB
const config = require('./config/database'); // Mongoose Config
const path = require('path'); // NodeJS Package for file paths
const authentication = require('./routes/authentication')(router); // Import Authentication Routes
const updates = require('./routes/updates')(router);
const exams = require('./routes/exams')(router);
const repeats = require('./routes/repeats')(router);
const users = require('./routes/users')(router);
const bodyParser = require('body-parser'); // Parse incoming request bodies in a middleware before your handlers, available under the req.body property.
const cors = require('cors');

// Database Connection
mongoose.Promise = global.Promise;
mongoose.connect(config.uri, (err) => {
  if (err) {
    console.log('Could NOT connect to database: ', err);
  } else {
    console.log('Connected to database: ' + config.db);
  }
});

// Middleware
app.use(cors({ origin: 'http://localhost:4200' }));
app.use(bodyParser.urlencoded({ extended: false })); // parse application/x-www-form-urlencoded
app.use(bodyParser.json()); // parse application/json
app.use(express.static(__dirname + '/client/dist/')); // Provide static directory for frontend
app.use('/authentication', authentication);
app.use('/updates', updates);
app.use('/exams', exams);
app.use('/repeats', repeats);
app.use('/users', users);

// Connect server to Angular 2 Index.html
app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname + '/client/dist/index.html'));
});

// Start Server: Listen on port 8080
app.listen(8080, () => {
  console.log('Listening on port 8080');
});