A routing table and a forward in the same proxy setup

gistfile1.js

var http = require('http'),
    httpProxy = require('http-proxy');

httpProxy.createServer(function (req, res, proxy) {
    var options = {};
    if (req.headers.host === 'google.myserver.com') {
      req.headers.host = 'google.com';
      options.host = 'google.com';
      options.port = 80;
      console.log(req.headers);
      proxy.proxyRequest(req, res, options);
    }
    else {
      console.log(req.headers);
      proxy.proxyRequest(req, res);
    }
  },
  {
    router: {
      'myserver.com': 'localhost:9090',
      'mail.myserver.com': 'localhost:9191'
    }
  }
).listen(80);

http.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.write('request successfully proxied: ' + req.url +'\n' + JSON.stringify(req.headers, true, 2));
  res.end();
}).listen(9090);

http.createServer(function (req, res) {
  res.writeHead(200, { 'Content-Type': 'text/plain' });
  res.write('request successfully proxied: ' + req.url +'\n' + JSON.stringify(req.headers, true, 2));
  res.end();
}).listen(9191);