diff --git a/.gitignore b/.gitignore
index 123ae94..4d0f726 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,27 +1,4 @@
-# Logs
-logs
-*.log
-
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# node-waf configuration
-.lock-wscript
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
-
-# Dependency directory
-# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
-node_modules
+/node_modules
+npm-debug.log
+.DS_Store
+/*.env
diff --git a/js/main.js b/js/main.js
index 5e019a7..9e9aa05 100644
--- a/js/main.js
+++ b/js/main.js
@@ -3,14 +3,14 @@ if ("serviceWorker" in navigator) {
   navigator.serviceWorker
     .register("./serviceWorker.js") //Point to serviceWorker file
     .then(function (registration) {
-      console.log("Service Worker is registered");
+      console.log("Service Worker is registered", registration);
       document.getElementById("sw-register-state").textContent = "✓";
 
       //To check support for push notifications
       isPushNotification(registration);
     })
     .catch(function (error) {
-      console.error("Failed to register service worker");
+      console.error("Failed to register service worker", error);
       document.getElementById("sw-register-state").textContent = "✕"; //Failed to register
     });
 }
@@ -131,7 +131,7 @@ function sendPushNotification(subscription) {
       .then(function (subscription) {
         curlCommand(subscription); //To log curl command in console
 
-        fetch("http://127.0.0.1:3000/send_notification", {
+        fetch("/send_notification", {
           method: "post",
           headers: {
             "Accept": "application/json",
diff --git a/package.json b/package.json
index f39a470..a376ade 100644
--- a/package.json
+++ b/package.json
@@ -1,14 +1,19 @@
 {
   "name": "demo",
   "description": "Demo - progress web application",
-  "version": "0.0.1",
+  "version": "1.0.0",
+  "author": "gokulkrishh",
   "dependencies": {
     "body-parser": "^1.15.0",
     "express": "^4.13.4",
     "node-gcm": "^0.14.0"
   },
+  "engines": {
+    "node": "4.1.1"
+  },
   "devDependencies": {},
   "scripts": {
     "start": "node server.js"
-  }
+  },
+  "license": "MIT"
 }
diff --git a/server.js b/server.js
index 1725bb4..25c691f 100644
--- a/server.js
+++ b/server.js
@@ -47,6 +47,6 @@ app.post("/send_notification", function (req, res) {
   });
 });
 
-app.listen(3000, function() {
+app.listen(process.env.PORT || 3000, function() {
   console.log("Local Server : http://localhost:3000");
 });