openssl genrsa -out privatekey.pem 1024 
openssl req -new -key privatekey.pem -out certrequest.csr 
openssl x509 -req -in certrequest.csr -signkey privatekey.pem -out certificate.pem

const fs = require("fs")
const https = require('https')
 
var privateKey = fs.readFileSync('./privatekey.pem').toString();
var certificate = fs.readFileSync('./certificate.pem').toString();
 
// var credentials = crypto.createCredentials({key: privateKey, cert: certificate});
 
const httpsOptions = {
  key: fs.readFileSync("./privatekey.pem"),
  cert: fs.readFileSync("./certificate.pem")
};
// const server = https.createServer(httpsOptions, app).listen(port, () => {
//   console.log("server running at " + port);
// });
 
var server = https.createServer(httpsOptions);
server.addListener("request", function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/plain'});
  res.end('Hello World\n');
});
server.listen(8000);