App.js

var express = require('express')
var helmet = require('helmet')
var http = require('http')
var https = require('https')

var logger = require('morgan')
var bodyParser = require('body-parser')
var cookieParser = require('cookie-parser')

var path = require('path')

var app = express()

// Configurar vistas.
app.set('views', path.join(__dirname, 'View'))
app.set('view engine', 'ejs')

// Configurar helmet para establecer protecciones HTTP.
app.use(helmet())

// Configurar logger.
app.use(logger('dev'))

// Configurar body parser.
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))

// Configurar cookie parser.
app.use(cookieParser())

// Configurar directorio estático.
app.use(express.static(path.join(__dirname, 'Public')))

// Establecer variables globales para las rutas.
app.use((request, resource, next) => {
    global.VIEWS_PATH = path.join(__dirname, 'View')
    next()
})

/*
 * ============================================================================
 * RUTAS
 * ============================================================================
*/

app.use('/', require('./Route/Main'))

/*
 * ============================================================================
*/

// Error 404.
app.use((request, response, next) => {
    var error = new Error('Ruta no encontrada.')
    error.status = 404

    next(error)
})

// Controlador de errores.
app.use((error, request, resource, next) => {
    // Adjuntar mensaje del error.
    resource.locals.message = error.status === 401 ?
        'Permiso denegado.' :
        error.message

    // Eliminar errores si el entorno no es el de desarrollo.
    resource.locals.error =
        request.app.get('env') === 'development' ? error : {}

    // Renderizar página de error.
    resource.status(error.status || 500)
    resource.render('Error')
})

module.exports = app

var server = http.createServer(app)
server.listen(8001)

if (process.env.NODE_ENV === 'production') {
    var sslConfig = require('./Config/Ssl')

    var secureServer = https.createServer(app, sslConfig)
    secureServer.listen(8002)
}