diff --git a/controllers/index/views/index.jade b/controllers/index/views/index.jade
index 3a4f6e1..5b915a4 100644
--- a/controllers/index/views/index.jade
+++ b/controllers/index/views/index.jade
@@ -1,25 +1,25 @@
 extends ../../../views/main
 
 block title
-    title 3DUI - Index
+    title #{title} - Index
 
 block content
     h2 Index
     ul
         li
-            a(href="/bouncing/") A bouncing cube that jumps when you click on it
+            a(href="#{urls.bouncing}") A bouncing cube that jumps when you click on it
             p.
                 Jumps and bounce when you click on it.
 
         li
-            a(href="/multisphere/") Sphere with multi-resolution
+            a(href="#{urls.multisphere}") Sphere with multi-resolution
             p.
                 Lots of obj files loaded and displayed. When you click
                 somewhere, the current obj is hidden and the next one, with a
                 better resolution is shown.
 
         li
-            a(href="/prototype/") A proto of the real thing
+            a(href="#{urls.prototype}") A proto of the real thing
             p.
                 You can move the camera with the arrow keys and move the angle of
                 the camera with 2, 4, 6 and 8 (the arrows of the numpad), or you
@@ -31,7 +31,7 @@ block content
                 camera that you want, and move to it progressively.
 
         li
-            a(href="/stream/") Streaming simulation
+            a(href="#{urls.stream}") Streaming simulation
             p.
                 A mesh of a sphere is fully loaded, and displayed
                 progressively.  This test is here to prove that we can
diff --git a/server.js b/server.js
index 48d9b86..8904856 100644
--- a/server.js
+++ b/server.js
@@ -4,7 +4,6 @@ var module = require('./my_modules/filterInt');
 var jade = require('jade');
 
 var app = express();
-
 var urls = require('./urls');
 
 app.set('view engine', 'jade');
@@ -20,6 +19,7 @@ require('./lib/boot')(app, { verbose: !module.parent });
 
 app.use('/static', express.static('static'));
 
+// When error raised
 app.use(function(err, req, res, next) {
     if (err.status === 404) {
         res.setHeader('Content-Type', 'text/html');
@@ -30,6 +30,7 @@ app.use(function(err, req, res, next) {
     }
 });
 
+// When route not found, raise not found
 app.use(function(req, res) {
     res.setHeader('Content-Type', 'text/html');
 
@@ -38,4 +39,14 @@ app.use(function(req, res) {
     });
 });
 
-app.listen(4000);
+// Set ports and ip adress
+var server_port, server_ip_adress;
+if ( app.get('env') === 'development' ) {
+    server_port = 4000;
+    server_ip_adress = 'localhost';
+} else {
+    server_port = process.env.OPENSHIFT_NODEJS_PORT || 8080;
+    server_ip_address = process.env.OPENSHIFT_NODEJS_IP || '127.0.0.1';
+}
+
+app.listen(server_port, server_ip_adress);
diff --git a/views/main.jade b/views/main.jade
index 49d39d2..6d0aa5a 100644
--- a/views/main.jade
+++ b/views/main.jade
@@ -16,10 +16,10 @@ html(lang='fr')
             .container
                 .navbar-header
                     button.navbar-toggle(type="button", data-toggle="collapse" data-target=".navbar-collapse")
-                        span.sr-only Tootle navigation
+                        span.sr-only Toggle navigation
                         span.icon-bar
                         span.icon-bar
-                    a.navbar-brand(href="/") 3DUI
+                    a.navbar-brand(href="#{urls.index}") 3DUI
 
                 div.navbar-collapse.collapse
                     ul.nav.navbar-nav