A simple reverse proxy for developing

gistfile1.js

var http = require('http'),
    httpProxy = require('http-proxy');
//
// A simple round-robin load balancing strategy.
// 
// First, list the servers you want to use in your rotation.
//
var forwarding = {
  "s.paddle.to" : {
    target: "http://localhost:8001"
  },
  "p.paddle.to" : {
    target: "http://localhost:8002"
  },
  "q.paddle.to" : {
    target: "http://localhost:8002"
  }
};

var proxy = httpProxy.createServer();

http.createServer(function (req, res) {
  var match = req.headers['host'].match(/.*([spq]\.paddle\.to)$/);
  console.log(req.headers['host'], '->', match[1]);
  proxy.web(req, res, forwarding[match[1]]);
}).listen(80);