NodeJs Express SSL certigicate

https.js

const app = require('express')();
const https = require('https');
const fs = require('fs');

//GET home route
app.get('/', (req, res) => {
    res.send('Hello World');
});
//openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365
// we will pass our 'app' to 'https' server
https.createServer({
    key: fs.readFileSync('./key.pem'),
    cert: fs.readFileSync('./cert.pem'),
    passphrase: 'YOUR PASSPHRASE HERE'
}, app)
.listen(3000);