add app.js, update scripts on package.json

app.js

@@ -0,0 +1,11 @@
+var express = require('express');
+var app = express();
+
+app.get('/', function (req, res) {
+  res.send('Hello World!');
+});
+
+var port = process.env.PORT || 3000;
+app.listen(port, function () {
+  console.log('app listening on port ' + port);
+});

package.json

@@ -2,8 +2,10 @@
   "name": "nodejs-hello-world",
   "version": "0.1.0-SNAPSHOT",
   "description": "nodejs-hello-world",
-  "main": "index.js",
+  "main": "app.js",
   "scripts": {
+    "dev": "nodemon --inspect=0.0.0.0:5858",
+    "dev:brk": "nodemon --inspec-brk=0.0.0.0:5858",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "Teracy",