app.js

require('dotenv').config();
const express = require('express');
const mongoose = require('mongoose');
const cors = require('cors');
const https = require('https');
const fs = require('fs');

const app = express();

mongoose.connect(process.env.MONGO_URI, { useNewUrlParser: true, useUnifiedTopology: true })
    .then(() => console.log('MongoDB connected'))
    .catch(console.log);

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

app.use('/', require('./routes/index'));
app.use('/api/users', require('./routes/users'));
app.use('/api/auth', require('./routes/auth'));

if (fs.existsSync(process.env.PRIVATE_KEY_PATH) && fs.existsSync(process.env.PRIVATE_CERTIFICATE_PATH)) {
    const options = {
        key: fs.readFileSync(process.env.PRIVATE_KEY_PATH),
        cert: fs.readFileSync(process.env.PRIVATE_CERTIFICATE_PATH)
    };

    https.createServer(options, app).listen(process.env.PORT, () => console.log(`Server starter on port ${process.env.PORT}`));
} else {
    app.listen(process.env.PORTHTTP, () => console.log(`Server starter on port ${process.env.PORTHTTP}`))
}