FINAL-PROJECT-BACK/bin/server.js

const app = require('../app');
const db = require('../model/db');
const createFolderIsExist = require('../helpers/create-directory');
const PORT = process.env.PORT || 3000;
const APP_NAME = process.env.APP_NAME;
const http = require('http');

setInterval(() => {
	http
		.get(`http://${APP_NAME}.herokuapp.com`, function (res) {
			res.on('data', function (_chunk) {
				console.log('HEROKU RESPONSE: PINGED EVERY 25 MINUTES');
			});
		})
		.on('error', function (_err) {
			console.log('HEROKU RESPONSE: NOT PINGED');
		});
}, 25 * 60 * 1000);

db.then(() => {
	app.listen(PORT, async () => {
		const DIR_UPLOAD = process.env.DIR_UPLOAD;
		const DIR_STATIC = process.env.DIR_STATIC;
		await createFolderIsExist(DIR_UPLOAD);
		await createFolderIsExist(DIR_STATIC);
		console.log(`Server running. Use our API on port: ${PORT}`);
	});
}).catch((err) => {
	console.log(`Server not running. Error message: ${err.message}`);
	process.exit(1);
});