NodeJS return image

gistfile1.js

var http = require('http')
  , fs = require('fs');

fs.readFile('image.jpg', function(err, data) {
  if (err) throw err; // Fail if the file can't be read.
  http.createServer(function(req, res) {
    res.writeHead(200, {'Content-Type': 'image/jpeg'});
    res.end(data); // Send the file data to the browser.
  }).listen(8124);
  console.log('Server running at http://localhost:8124/');
});

http://stackoverflow.com/questions/9540978/nodejs-how-to-read-and-output-jpg-image