app.js

const express = require('express');
const path = require('path');
const bodyParser = require('body-parser');
const cors = require('cors');
const passport = require('passport');
const mongoose = require('mongoose');
const config = require('./config/database');

// Connect to database
mongoose.connect(config.database, {
  useNewUrlParser: true
});

// On Connection
mongoose.connection.on('connected', () => {
  console.log('Connected to DB ---> ' + config.database);
});

// On Error
mongoose.connection.on('error', (err) => {
  console.log(('Database Error ---> ' + err));
});

const app = express();
const users = require('./routes/users');
const posts = require('./routes/posts');

// Local machine
const port = 3000;

//const port = process.env.PORT || 8080;

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

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

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

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

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

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

app.get('/', (req, res) => {
  res.send('Invalid Endpoint');
});

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

app.listen(port, () => {
  console.log('Server started on port: ' + port);
});