Splitted the node server in modules

app/node_controllers/indexController.js

@@ -0,0 +1,23 @@
+/**
+ * Yellow Lab Tools home page controller
+ */
+
+var async   = require('async');
+var fs      = require ('fs');
+
+var indexController = function(req, res) {
+    'use strict';
+
+    async.parallel({
+        
+        htmlTemplate: function(callback) {
+            fs.readFile('./app/node_views/index.html', {encoding: 'utf8'}, callback);
+        }
+
+    }, function(err, results) {
+        res.setHeader('Content-Type', 'text/html');
+        res.send(results.htmlTemplate);
+    });
+ };
+
+ module.exports = indexController;