Serve Star Track via phonegap.serve() on Heroku

index.html

  <!-- for heroku, replace the CSP in Star Track with this -->
  <meta http-equiv="Content-Security-Policy" content="default-src 'self' data: gap: https://ssl.gstatic.com https://api.spotify.com http://*.herokuapp.com 'unsafe-eval' 'unsafe-inline' ws://*.herokuapp.com ws://localhost:3000; style-src 'self' 'unsafe-inline'; media-src *; img-src * data:">

index.js

var phonegap = require('phonegap');                      

phonegap.serve({
  port: process.env.PORT || 3000, // optional
  autoreload: true, // optional
  localtunnel: false, // optional (no point with Heroku)
  browser: true
}, function(e) {
  console.log((e) ? e.message : 'server is running');
});

package.json

{
  "name": "startrack-heroku",
  "description": "PhoneGap Star Track App hosted on Heroku",
  "version": "0.0.1",
  "main": "./index.js",
  "scripts": {
    "start": "node ./index.js"
  },
  "engines": {
    "node": ">=0.10.0",
    "npm": ">=1.2.0"
  },
  "dependencies": {
    "phonegap": "^6.1.0"
  },
  "devDependencies": {},
}

Procfile

web: npm start