title: Heroku Nodejs app with R10, H10 and H20 errors
body: <p>I tried to run my nodejs app[using socket.io]. I deployed it with no error. But when I run it, I got this:</p>
  
  <pre><code>2013-09-07T01:13:09.697674+00:00 heroku[api]: Release v2 created by vietminhle98@gmail.com
  2013-09-07T12:15:57.148172+00:00 heroku[router]: at=info code= desc="Blank app" method=GET 
  
      path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=502 bytes=
  2013-09-07T12:15:57.672631+00:00 heroku[router]: at=info code= desc="Blank app" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=502 bytes=
  2013-09-08T01:14:00+00:00 heroku[slug-compiler]: Slug compilation started
  2013-09-08T01:14:28.327510+00:00 heroku[api]: Scale to web=1 by vietminhle98@gmail.com
  2013-09-08T01:14:28.351861+00:00 heroku[api]: Add PATH config by vietminhle98@gmail.com
  2013-09-08T01:14:28.382733+00:00 heroku[api]: Release v3 created by vietminhle98@gmail.com
  2013-09-08T01:14:28.426015+00:00 heroku[api]: Deploy 6be3e0c by vietminhle98@gmail.com
  2013-09-08T01:14:28.439849+00:00 heroku[api]: Release v4 created by vietminhle98@gmail.com
  2013-09-08T01:14:28+00:00 heroku[slug-compiler]: Slug compilation finished
  2013-09-08T01:14:32.477748+00:00 heroku[web.1]: Starting process with command `node server.js`
  2013-09-08T01:14:34.751076+00:00 app[web.1]: LISTENING
  2013-09-08T01:14:35.314545+00:00 app[web.1]: info: socket.io started
  2013-09-08T01:15:34.427477+00:00 heroku[web.1]: Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch
  2013-09-08T01:15:34.427784+00:00 heroku[web.1]: Stopping process with SIGKILL
  2013-09-08T01:15:35.676986+00:00 heroku[web.1]: State changed from starting to crashed
  2013-09-08T01:15:35.676986+00:00 heroku[web.1]: State changed from crashed to starting
  2013-09-08T01:15:35.663597+00:00 heroku[web.1]: Process exited with status 137
  2013-09-08T01:15:37.774955+00:00 heroku[web.1]: Starting process with command `node server.js`
  2013-09-08T01:15:38.653254+00:00 app[web.1]: LISTENING
  2013-09-08T01:15:38.755820+00:00 app[web.1]: info: socket.io started
  2013-09-08T01:15:59.434156+00:00 heroku[router]: at=error code=H20 desc="App boot timeout" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:16:27.246666+00:00 heroku[router]: at=error code=H20 desc="App boot timeout" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:16:38.781151+00:00 heroku[web.1]: Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch
  2013-09-08T01:16:38.781376+00:00 heroku[web.1]: Stopping process with SIGKILL
  2013-09-08T01:16:39.983421+00:00 heroku[web.1]: Process exited with status 137
  2013-09-08T01:16:40.011325+00:00 heroku[web.1]: State changed from starting to crashed
  2013-09-08T01:16:41.541487+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:18:44.971726+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:18:47.279357+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:20:09.452479+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:20:08.839678+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:26:06.279799+00:00 heroku[web.1]: State changed from crashed to starting
  2013-09-08T01:26:08.503114+00:00 heroku[web.1]: Starting process with command `node server.js`
  2013-09-08T01:26:09.522676+00:00 app[web.1]: LISTENING
  2013-09-08T01:26:09.656509+00:00 app[web.1]: info: socket.io started
  2013-09-08T01:27:09.615998+00:00 heroku[web.1]: Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch
  2013-09-08T01:27:09.616415+00:00 heroku[web.1]: Stopping process with SIGKILL
  2013-09-08T01:27:10.895911+00:00 heroku[web.1]: Process exited with status 137
  2013-09-08T01:27:10.909789+00:00 heroku[web.1]: State changed from starting to crashed
  2013-09-08T01:27:13.347426+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:27:14.033545+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:28:02.549578+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:28:06.335482+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/index.html host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:28:07.041450+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= serv
  ice= status=503 bytes=
  2013-09-08T01:34:23.479191+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/index.html host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:34:24.942938+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:34:29.678584+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:34:29.090141+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:36:38.073605+00:00 heroku[web.1]: State changed from crashed to starting
  2013-09-08T01:36:41.051197+00:00 heroku[web.1]: Starting process with command `node server.js`
  2013-09-08T01:36:42.526835+00:00 app[web.1]: LISTENING
  2013-09-08T01:36:42.927958+00:00 app[web.1]: info: socket.io started
  2013-09-08T01:37:02.906047+00:00 heroku[api]: Scale to web=1 by vietminhle98@gmail.com
  2013-09-08T01:37:43.000152+00:00 heroku[web.1]: Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch
  2013-09-08T01:37:43.000399+00:00 heroku[web.1]: Stopping process with SIGKILL
  2013-09-08T01:37:44.751965+00:00 heroku[web.1]: Process exited with status 137
  2013-09-08T01:37:44.766078+00:00 heroku[web.1]: State changed from starting to crashed
  2013-09-08T01:45:39.155699+00:00 heroku[api]: Starting process with command `rake db:migrate` by vietminhle98@gmail.com
  2013-09-08T01:45:41.607954+00:00 heroku[run.2140]: Awaiting client
  2013-09-08T01:45:42.584829+00:00 heroku[run.2140]: Starting process with command `rake db:migrate`
  2013-09-08T01:45:43.920789+00:00 heroku[run.2140]: Process exited with status 1
  2013-09-08T01:45:43.935727+00:00 heroku[run.2140]: State changed from starting to complete
  2013-09-08T01:46:55.968060+00:00 heroku[web.1]: State changed from crashed to starting
  2013-09-08T01:46:58.347733+00:00 heroku[web.1]: Starting process with command `node server.js`
  2013-09-08T01:47:00.425372+00:00 app[web.1]: LISTENING
  2013-09-08T01:47:00.582876+00:00 app[web.1]: info: socket.io started
  2013-09-08T01:47:59.952712+00:00 heroku[web.1]: Stopping process with SIGKILL
  2013-09-08T01:47:59.952459+00:00 heroku[web.1]: Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch
  2013-09-08T01:48:01.523065+00:00 heroku[web.1]: Process exited with status 137
  2013-09-08T01:49:02.687355+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:49:03.561165+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:48:01.532500+00:00 heroku[web.1]: State changed from starting to crashed
  2013-09-08T01:50:30.232096+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:50:29.121508+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:50:49.246283+00:00 heroku[web.1]: State changed from crashed to starting
  2013-09-08T01:50:51.161871+00:00 heroku[web.1]: Starting process with command `node server.js`
  2013-09-08T01:50:51.827825+00:00 app[web.1]: LISTENING
  2013-09-08T01:50:51.945835+00:00 app[web.1]: info: socket.io started
  2013-09-08T01:51:51.972737+00:00 heroku[web.1]: Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch
  2013-09-08T01:51:51.972975+00:00 heroku[web.1]: Stopping process with SIGKILL
  2013-09-08T01:51:53.141508+00:00 heroku[web.1]: Process exited with status 137
  2013-09-08T01:51:53.152332+00:00 heroku[web.1]: State changed from starting to crashed
  2013-09-08T01:51:54.484616+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:51:55.899914+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:52:19.791497+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:52:20.616151+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:52:39.086637+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:52:39.688008+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:51:54.508738+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:51:55.281138+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:54:03.778339+00:00 heroku[api]: Starting process with command `bash` by vietminhle98@gmail.com
  2013-09-08T01:54:07.822098+00:00 heroku[run.9425]: Awaiting client
  2013-09-08T01:54:07.856807+00:00 heroku[run.9425]: Starting process with command `bash`
  2013-09-08T01:54:08.924087+00:00 heroku[run.9425]: State changed from starting to up
  2013-09-08T01:54:24.533998+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:54:25.693218+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:54:28.098195+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:54:28.648493+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path=/favicon.ico host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=
  2013-09-08T01:56:27.247187+00:00 heroku[run.9425]: Process exited with status 1
  2013-09-08T01:56:27.257609+00:00 heroku[run.9425]: State changed from up to complete
  </code></pre>
  
  <p>That's the complete logs. I scanned through it and find 3 errors:
  <code>Error R10 (Boot timeout) -&gt; Web process failed to bind to $PORT within 60 seconds of launch</code></p>
  
  <p><code>at=error code=H20 desc="App boot timeout" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=</code></p>
  
  <p><code>at=error code=H10 desc="App crashed" method=GET path=/ host=fnboard.herokuapp.com fwd="122.109.112.187" dyno= connect= service= status=503 bytes=</code></p>
  
  <p>I dont know why these three errors happen at the same time and I dont know what's wrong with my app, please help</p>
  
  <p>My <strong>package.json:</strong></p>
  
  <pre><code>{
  "name": "fnBoard",
    "version": "0.0.1",
    "private": true,
    "scripts": {
    "start": "node server.js"
   },
    "dependencies": {
      "socket.io": "0.9.x"
    },
      "engines": {
       "node": "0.10.x",
       "npm": "1.3.x"
    }
  }
  </code></pre>
  
  <p><strong>Procfile:</strong></p>
  
  <pre><code>web: node server.js
  </code></pre>
  
  <p><strong>.gitignore:</strong></p>
  
  <pre><code>node_modules
  </code></pre>