Using heroku-buildpack I am able to deploy heroku rails application successfully.
Node application detected message is displayed on deployment, but unable to resolved the error.
Server.js not able to start node server due to below error.
2014-11-17T09:26:11.462899+00:00 app[web.1]: /app/node_modules/express/node_modules/connect/node_modules/http-errors/node_modules/statuses/codes.json:2
2014-11-17T09:26:11.463137+00:00 app[web.1]: "100": "Continue",
2014-11-17T09:26:11.463224+00:00 app[web.1]: ^
2014-11-17T09:26:11.463309+00:00 app[web.1]:
2014-11-17T09:26:11.463396+00:00 app[web.1]: node.js:134
2014-11-17T09:26:11.463436+00:00 app[web.1]: throw e; // process.nextTick error, or 'error' event on first tick
2014-11-17T09:26:11.463477+00:00 app[web.1]: ^
2014-11-17T09:26:11.464939+00:00 app[web.1]: SyntaxError: Unexpected token :
2014-11-17T09:26:11.464942+00:00 app[web.1]: at Module._compile (module.js:397:25)
2014-11-17T09:26:11.464943+00:00 app[web.1]: at Object..js (module.js:408:10)
2014-11-17T09:26:11.464945+00:00 app[web.1]: at Module.load (module.js:334:31)
2014-11-17T09:26:11.464947+00:00 app[web.1]: at Function._load (module.js:293:12)
2014-11-17T09:26:11.464949+00:00 app[web.1]: at require (module.js:346:19)
2014-11-17T09:26:11.464950+00:00 app[web.1]: at Object.<anonymous> (/app/node_modules/express/node_modules/connect/node_modules/http-errors/node_modules/statuses/index.js:2:13)
2014-11-17T09:26:11.464952+00:00 app[web.1]: at Module._compile (module.js:402:26)
2014-11-17T09:26:11.464953+00:00 app[web.1]: at Object..js (module.js:408:10)
2014-11-17T09:26:11.464955+00:00 app[web.1]: at Module.load (module.js:334:31)
2014-11-17T09:26:11.464956+00:00 app[web.1]: at Function._load (module.js:293:12)
2014-11-17T09:26:12.254612+00:00 heroku[web.1]: Process exited with status 1
2014-11-17T09:26:12.256430+00:00 heroku[web.1]: State changed from starting to crashed