Express and Apache

nodeHttpProxy.js

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

httpProxy.createServer(function (req, res, proxy) {
    var nodeVhosts = ["www.site.com"]
    var host = req.headers['host'];

    var port = nodeVhosts.indexOf(host) > -1
        ? 8080
        : 9000;

    proxy.proxyRequest(req, res, {host: 'localhost', port: port});
}).listen(8000);

var app = express();
var server = http.createServer(app);

var site = require('./site/app.js').site
app.use(express.vhost('www.site.com', site));

server.listen(8080);