index.js

const express = require('express');
const passport = require('passport');
const routes = require('./routes/route');
const app = express();
const PORT = process.env.PORT || 5000

app.use(function (req, res, next) {
    // Website you wish to allow to connect
    res.setHeader('Access-Control-Allow-Origin', '*');

    // Request methods you wish to allow
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

    // Request headers you wish to allow
    res.setHeader('Access-Control-Allow-Headers', 'origin, content-type, accept');

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader('Access-Control-Allow-Credentials', true);

    // Pass to next layer of middleware
    next();
});


// Use application-level middleware for common functionality, including
// logging, parsing, and session handling.
app.use(require('morgan')('combined'));
app.use(require('cookie-parser')());
app.use(require('body-parser').urlencoded({ extended: true }));
app.use(require('express-session')({ secret: 'keyboard cat', resave: true, saveUninitialized: true }));
app.use(passport.initialize());
app.use(passport.session());


// Configure view engine to render EJS templates.
app.set('views', __dirname + '/views');
app.set('view engine', 'ejs');


app.use(require('./config/config'));
app.use('/', routes)


app.listen(PORT, () => {
    console.log(`Listening on ${PORT}`);
});