Node.js Create the HTTPS proxy server in front of a HTTP server

proxy.js

var httpProxy = require('http-proxy');
var targetHost = '192.168.6.128';
var port = 8100;
var address = "192.168.0.6";
var port2 = 4100;
const fs = require('fs');

//
// Create the HTTPS proxy server in front of a HTTP server
//
httpProxy.createServer({
    target: {
      host: targetHost,
      port: port
    },
    ssl: {
      key: fs.readFileSync('server.key', 'utf8'),
      cert: fs.readFileSync('server.cer', 'utf8')
    }
  }).listen(port2, address);