title: Heroku Deploy Error: Cannot find module '/app/index.js'
body: <p>I' m trying to deploy mt app on Heroku but I always get the same error:</p>
  
  <pre><code>2016-08-18T10:16:10.988982+00:00 heroku[web.1]: Starting process with command `node index.js`
  2016-08-18T10:16:13.180369+00:00 app[web.1]: module.js:341
  2016-08-18T10:16:13.180389+00:00 app[web.1]:     throw err;
  2016-08-18T10:16:13.180390+00:00 app[web.1]:     ^
  2016-08-18T10:16:13.180391+00:00 app[web.1]: 
  2016-08-18T10:16:13.180392+00:00 app[web.1]: Error: Cannot find module '/app/index.js'
  2016-08-18T10:16:13.180393+00:00 app[web.1]:     at Function.Module._resolveFilename (module.js:339:15)
  2016-08-18T10:16:13.180394+00:00 app[web.1]:     at Function.Module._load (module.js:290:25)
  2016-08-18T10:16:13.180394+00:00 app[web.1]:     at Function.Module.runMain (module.js:447:10)
  2016-08-18T10:16:13.180399+00:00 app[web.1]:     at node.js:405:3
  2016-08-18T10:16:13.271966+00:00 heroku[web.1]: Process exited with status 1
  2016-08-18T10:16:13.273383+00:00 heroku[web.1]: State changed from starting to crashed
  </code></pre>
  
  <p>As I read in similar requests I have already added a Procfile containing the following code: <code>web: node index.js</code>, but I still have same issue.</p>
  
  <p>Anybody have any idea where the problem is? Any guidance would be greatly appreciated.
  Thank you in advance!</p>