node-http-proxy

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

var proxy = httpProxy.createProxyServer({});

var server = http.createServer(function(req, res) {
        var host = req.headers.host;
        var url;

        console.log(host);
        if (!host) return;
        if (host.indexOf('eventradr') !== -1) url = 'http://localhost:8080';
        if (host.indexOf('listlogs') !== -1) url = 'http://localhost:8081';
        if (host.indexOf('dodecathlon') !== -1) url = 'http://localhost:8082';
        if (host.indexOf('everydaycheck') !== -1) url = 'http://localhost:8084';
        if (host.indexOf('app.everydaycheck') !== -1) url = 'http://localhost:8083';

        console.log(url);

  if (url)proxy.web(req, res, {
    target: url
  });
});

console.log("listening on port 80")
server.listen(80);