diff --git a/.gitignore b/.gitignore
index 5e80f8a..9d069a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,6 @@ build/Release
 # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
 .idea/
+
+# config file for deployment
+config.json
\ No newline at end of file
diff --git a/README.md b/README.md
index cb141f3..7f15f1d 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,15 @@
 
 Show the real-time data of the Belgian railway company in a simple overview
 
-## install
-
+After cloning this repo, perform
 ```bash
 npm install
 ```
+
+Before running the server, make sure your config.json is set. See the config-example.json for an example.
+
+Run the server using
+
+```bash
+nodejs script.js
+```
diff --git a/config-example.json b/config-example.json
new file mode 100644
index 0000000..4ee0dc2
--- /dev/null
+++ b/config-example.json
@@ -0,0 +1,7 @@
+{
+  "port" : "3000",
+  "gtfs-urls" : {
+    "service-alerts" : "http://irail.gent/service_alerts.pb",
+    "trip-updates" : "http://irail.gent/trip_updates.pb"
+  }
+}
diff --git a/package.json b/package.json
index 286267a..6657069 100644
--- a/package.json
+++ b/package.json
@@ -22,8 +22,8 @@
     "url": "https://github.com/oSoc15/gtfs-rt-demo/issues"
   },
   "dependencies": {
+    "cors": "^2.7.1",
     "express": "^4.13.1",
-    "fs": "0.0.2",
     "gtfs-realtime-bindings": "0.0.4",
     "protocol-buffers": "^3.1.2",
     "request": "^2.60.0"
diff --git a/public/js/script.js b/public/js/script.js
index 98fdce0..dba8fb1 100644
--- a/public/js/script.js
+++ b/public/js/script.js
@@ -6,12 +6,12 @@
 $(document).ready(function(){
 console.log('Hi there');
 
-    $.ajax({url: "http://localhost:3000/service_alerts.json", success: function(result){
+    $.ajax({url: "/service_alerts.json", success: function(result){
         console.log('Hi data');
        console.log(result.header);
        parseServiceAlertData(result);
     }});
-    $.ajax({url: "http://localhost:3000/trip_updates.json", success: function(result){
+    $.ajax({url: "/trip_updates.json", success: function(result){
         console.log('Hi data');
         console.log(result.header);
         parseTripUpdateData(result);
@@ -20,10 +20,10 @@ console.log('Hi there');
     window.setInterval(function() {
         console.log('Hi Minute');
 
-        $.ajax({url: "http://localhost:3000/service_alerts.json", success: function(result){
+        $.ajax({url: "/service_alerts.json", success: function(result){
             parseServiceAlertData(result);
         }});
-        $.ajax({url: "http://localhost:3000/trip_updates.json", success: function(result){
+        $.ajax({url: "/trip_updates.json", success: function(result){
             parseTripUpdateData(result);
         }});
 
@@ -108,9 +108,6 @@ console.log('Hi there');
                totalDelay+
                 "</td>"+
                 "</tr>");
-
-
-
         }
     }
-});
\ No newline at end of file
+});
diff --git a/script.js b/script.js
index 1891569..619b4fd 100644
--- a/script.js
+++ b/script.js
@@ -1,25 +1,26 @@
-/**
- * Created by timtijssens on 29/07/15.
- */
+var GtfsRealtimeBindings = require('gtfs-realtime-bindings'),
+    request = require('request'),
+    express = require('express'),
+    cors = require('cors'),
+    fs = require('fs');
 
-
-var GtfsRealtimeBindings = require('gtfs-realtime-bindings');
-var request = require('request');
-var express = require('express');
 var app = express();
 app.use('/', express.static('public'));
-fs = require('fs');
+app.use('/service_alerts.json',cors());
+app.use('/trip_updates.json',cors());
+
+var config = JSON.parse(fs.readFileSync('config.json', 'utf8'));
 
 var requestSettingsTripUpdates = {
     method: 'GET',
     //url: 'http://localhost:8000/trip_updates.pb',
-    url: 'http://irail.gent/trip_updates.pb',
+    url: config['gtfs-urls']['trip-updates'],
     encoding: null
 };
 var requestSettingsServiceAlerts = {
     method: 'GET',
     //url: 'http://localhost:8000/service_alerts.pb',
-    url: 'http://irail.gent/service_alerts.pb',
+    url: config['gtfs-urls']['service-alerts'],
     encoding: null
 };
 
@@ -31,26 +32,21 @@ request(requestSettingsServiceAlerts, function (error, response, body) {
 
         fs.writeFile('public/service_alerts.json', JSON.stringify(feed), function (err) {
             if (err) return console.log(err);
-
         });
-
-
     }
 });
-request(requestSettingsTripUpdates, function (error, response, body) {
 
+request(requestSettingsTripUpdates, function (error, response, body) {
     if (!error && response.statusCode == 200) {
-
         var feed = GtfsRealtimeBindings.FeedMessage.decode(body);
-
         fs.writeFile('public/trip_updates.json', JSON.stringify(feed), function (err) {
             if (err) return console.log(err);
             //console.log('Hello World > helloworld.txt');
         });
         //console.log(feed.entity[0]);
-
     }
 });
+
 var minutes = 1, the_interval = minutes * 60 * 1000;
 setInterval(function() {
     console.log("I am doing my minute check");
@@ -83,18 +79,11 @@ setInterval(function() {
                 //console.log('Hello World > helloworld.txt');
             });
             //console.log(feed.entity[0]);
-
+          
         }
     });
-
-
-
 }, the_interval);
 
-
-
-
-
 app.get('/servicesAlerts', function (req, res) {
     console.log("Got Service Alerts Request");
 
@@ -134,7 +123,7 @@ app.get('/tripUpdates', function (req, res) {
     });
 });
 
-var server = app.listen(3000, function () {
+var server = app.listen(config.port, function () {
     var host = server.address().address;
     var port = server.address().port;