Simple node.js server

simple.js

var http = require("http");

http.createServer(function(req, res) {
    req.addListener("data", function(chunk) { 
        // Read data chunks
    });

    // Called when the request completes
    req.addListener("end", function() {
        res.writeHead(200, "OK", { "Content-Length": 10 });
        res.end("testing123");
    });
}).listen(8124, '127.0.0.1')