simple server app with node.js

server.js

var express=require('express');
var app=express();
var fs=require('fs');
app.get('/',function(req,res){
	fs.readFile('index.html',function(err,buffer){
		var html=buffer.toString();
		res.setHeader('Content-Type','text/html');
		res.send(html);
	});	
});
var port=3000;
app.listen(port,function(){
	console.log('listening on http://localhost:',port);
});