index.js

const mongoose = require('mongoose');
require('./config/db');

const express = require('express');
const exphbs = require('express-handlebars');
const path = require('path');
const router = require('./routes');
const cookieParser = require('cookie-parser');
const session = require('express-session');
const MongoStore = require('connect-mongo');
const bodyParser = require('body-parser');
const expressValidator = require('express-validator');
const flash = require('connect-flash');
const createError = require('http-errors');
const passport = require('./config/passport');

require('dotenv').config({ path: 'variables.env' });

const app = express();

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

//validacion de campos
app.use(expressValidator());

//habilitar handlebars como view
app.engine('handlebars',
    exphbs({
        defaultLayout: 'layout',
        helpers: require('./helpers/handlebars')
    })
);
app.set('view engine', 'handlebars');



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

app.use(cookieParser());

app.use(session({
    secret: process.env.SECRETO,
    key: process.env.KEY,
    resave: false,
    saveUninitialized: false,
    store: MongoStore.create({ mongoUrl: 'mongodb+srv://root:root@projectdevjob.c6c11.mongodb.net/devjobs?retryWrites=true&w=majority' })
    // store: MongoStore.create({ mongoUrl: process.env.DATABASE })
}));

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

//Alertas y flash messages
app.use(flash());

//crear nuestro middleware
app.use((req, res, next) => {
    res.locals.mensajes = req.flash();
    next();
});

app.use('/', router());

// 404 pagina no existe
app.use((req, res, next) => {
    next(createError(404, 'No encontrado'));
})

//administracion de los errrores
app.use((error, req, res, next) => {
    res.locals.mensaje = error.message;
    const status = error.status || 500;
    res.locals.status = status;
    res.status(status);
    res.render('error');
})

// app.listen(process.env.PORT);

const host = process.env.HOST || '0.0.0.0';
const port = process.env.PORT || 5000;

//iniciar app
app.listen(port, host, () => {
    console.log('El servidor esta funcinando');
})