index.js

const express = require('express')
const app = express()
const hbs = require('express-handlebars')
const path = require('path')
const cookieSession = require('cookie-session')
const routes = require('./routes')
require('dotenv/config')

// Global Variable
app.locals.sitename = process.env.SITENAME || 'Rafael Freelancer [DEVELOPMENT]'

app.use(express.urlencoded({extended:true}))
app.use(express.json())

// Cookie Seession
app.use(cookieSession({
  name: 'session',
  keys: ['wfwekfoiw09@3#', 'erwpogkeoig3'],
  maxAge: 30 * 24 * 60 * 60 * 1000 // 30 Days
}))
// Set Default Language
app.use((req, res, next) => {
  if(!req.session.language) req.session.language = 'en_us'
  next()
})

//Routes
app.use('/', routes())

// View Configs
app.engine('handlebars', hbs())
app.set('view engine', 'handlebars')
app.set('views', path.join(__dirname, 'views'))
app.use(express.static(path.join(__dirname, 'public')))

// Handle 404
app.use(function(req, res) {
  res.render('errors/404');
});
// Handle 500
app.use(function(error, req, res, next) {
  res.render(res.render('errors/500'));
});

app.listen(process.env.PORT || 3000, () => console.log(`Server is running on http://localhost:${process.env.PORT || 3000}`))