server.js

require('dotenv').config();
const express = require('express');
const app = express();
const path = require('path');
const bodyParser = require('body-parser');

const http = require('http');
const server = http.createServer(app);
const port = process.env.PORT || '3000';
const logger = require('morgan');
const session = require('express-session');
const passport = require('passport');
const flash = require('connect-flash');

const auth = require('./routes/authRoutes');
const index = require('./routes/indexRoutes');

// VIEW ENGINE SETUP
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// EXPRESS FLASH MIDDLEWARE
app.use(require('connect-flash')());
app.use((req, res, next) => {
  res.locals.messages = require('express-messages')(req, res);
  next();
});

// POSTGRESQL SESSION STORE MANAGEMENT
app.use(
  session({
    store: new (require('connect-pg-simple')(session))(),
    secret: process.env.SECRET_KEY,
    resave: false,
    saveUninitialized: true,
    cookie: { maxAge: 7 * 24 * 60 * 60 * 1000 } // 7 days
  })
);

// MIDDLEWARE
app.use(logger('dev'));
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'public')));
app.use(passport.initialize());
app.use(passport.session());
require('./config/passport')(passport);

// CORS
app.all('/*', (req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
  res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
  next();
});

// SECURITY
app.disable('x-powered-by');

// ROUTES
auth(app);
index(app);

/*
* START SERVER
*/

app.set('port', port);
server.listen(port);
console.log('Server listening on port ' + port);

// ERROR HANDLER
app.use((err, req, res, next) => {
  console.log(err);
  res.status(err.status || 500).send(err.stack);
});

module.exports = app;