server.js

let express = require('express');
let mongoose = require('mongoose');
let cors = require('cors');
let bodyParser = require('body-parser');
let dbConfig = require('./database/db');

// Express Route
const produitRoute = require('./routes/produit.route')
mongoose.set('strictQuery',true);
// Configure mongoDB Database
/*mongoose.set('useNewUrlParser', true);
mongoose.set('useFindAndModify', false);
mongoose.set('useCreateIndex', true);
mongoose.set('useUnifiedTopology', true);*/

// Connecting MongoDB Database
/*mongoose.Promise = global.Promise;
mongoose.connect(dbConfig.db).then(() => {
console.log('Database successfully connected!')
},
error => {
	console.log('Could not connect to database : ' + error)
}
)
*/
const app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({
extended: true
}));
app.use(cors());
app.use('/produits', produitRoute)


// PORT
const port = process.env.PORT || 4000;
const server = app.listen(port, () => {
console.log('Connected to port ' + port)
})

// 404 Error
app.use((req, res, next) => {
res.status(404).send('Error 404!')
});

app.use(function (err, req, res, next) {
console.error(err.message);
if (!err.statusCode) err.statusCode = 500;
res.status(err.statusCode).send(err.message);
});