MinimumSSLWebServer.js

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

const options = {
  key: fs.readFileSync('privkey.pem'),
  cert: fs.readFileSync('cert.pem'),
  ca: fs.readFileSync('fullchain.pem'),
  requestCert: true,
}

https.createServer(options, (req, res) => {
  res.writeHead(200);
  res.end('crusader online');
}).listen(8080);