simple http proxy implementation in 15 lines of node.js code

httpproxy01.js

var http = require('http');

http.createServer(function(req, res) {
  var options = {
    hostname: req.headers.host,
    port: 80
  };
  var request = http.request(options, function(response) {
    res.writeHead(response.statusCode, response.headers);
    response.pipe(res);
  });
  req.pipe(request);
}).listen(8080, function() {
  console.log('proxy server bind at http://localhost:8080/');
});