app.js

/**
 * Entry point of the app.
 * @adminRoutes varaible to access all routes used in the app.
 */

const express = require('express'),
path = require('path'),
bodyParser = require('body-parser'),
methodOverride = require('method-override'),
mongoose = require('mongoose'),
swaggerUi = require('swagger-ui-express'),
swaggerDocument = require('./swagger.json');
require('dotenv').config();

const adminRoutes = require('./routes/admin');

const app = express();

// to set default template engine as "ejs"
app.set('view engine', 'ejs');
app.set('views', './src/pages');

// to define HTTP methods like "PUT"/"PATCH"/...
app.use(methodOverride('_method'));

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

app.use(express.urlencoded({ extended: false }));

app.use(express.static('public'));

app.use(adminRoutes);

// swaggerAPI endpoint
app.use('/swagger-ui', swaggerUi.serve, swaggerUi.setup(swaggerDocument));


// connecting to the local database and setting up the server
mongoose
	.connect(process.env.DB_HOST, {
		useCreateIndex: true,
		useUnifiedTopology: true,
		useNewUrlParser: true,
		useFindAndModify: false
	})
	.then(() => {
		// set app to listen on port 8081 for incoming requests
		app.listen(process.env.port || 8081, (req, res) => {
			console.log('Server and database are running on 8081...');
		});
		
	})
	.catch((err) => console.log(err));

// connecting to mongodb atlas
// mongoose.connect(url, {
// 	useNewUrlParser: true,
// 	useCreateIndex: true,
// 	useUnifiedTopology: true
//   }).then(res=>{
// 		  console.log("DB Connected!")
//   }).catch(err => {
// 	console.log(Error, err.message);
//   })

//   app.listen(process.env.PORT || 8081, (req, res) => {
// 				console.log('Server and database are running on 8081...');
// 			});