app.js

var server,
    ip = "127.0.0.1",
    port = 5000,
    http = require("http"),
    url = require("url");

var fs = require("fs"),
    filePath,
    encode = "utf8";

var path;

server = http.createServer(function (req, res) {
	
	path = url.parse(req.url);
	filePath = "." + path.pathname + ".html";
	console.log(filePath);

	fs.readFile(filePath, encode, function(err, file) {
	  if (err) {
	  	console.log("error");
	  	res.writeHead(200, {'Content-Type':'text/plain'});
	  	res.write(filePath);
	  	res.end();
	  	return;
	  }

	res.writeHead(200, {'Content-Type':'text/html'});
	res.write(file);
	res.end();
    });

});

server.listen(port, ip);

console.log("Server running at http://" + ip + ":" + port);