title: Heroku deploy issue sh: 1: ng: not found?
body: <p>I'm facing some issues while running app in heroku.</p>
  
  <p><strong>Log:</strong></p>
  
  <pre><code> 2017-10-22T20:41:16.421991+00:00 app[web.1]: npm ERR! errno ENOENT
   2017-10-22T20:41:16.411165+00:00 app[web.1]: &gt; ng serve
   2017-10-22T20:41:16.411149+00:00 app[web.1]: 
   2017-10-22T20:41:16.421630+00:00 app[web.1]: npm ERR! file sh
   2017-10-22T20:41:16.411165+00:00 app[web.1]: 
   2017-10-22T20:41:16.416314+00:00 app[web.1]: sh: 1: ng: not found
  </code></pre>
  
  <p><strong>package.json:</strong></p>
  
  <pre><code>"scripts": {
      "ng": "ng",
      "start": "ng serve",
      "build": "ng build",
      "test": "ng test",
      "lint": "ng lint",
      "e2e": "ng e2e"
  },
  </code></pre>
  
  <p><strong>Env:</strong></p>
  
  <p>Angular 4, and I'm not using NodeJS express. I have deployed app in Heroku.</p>