github/hubot — pull request #270 by tombell (2012-04-11 19:57:30+00:00)
Title: Keep alive fix

Basically, you can't make a localhost request to your application on Heroku, and it would be nice if they had a config var already with the hostname in, but no luck.

$ heroku config:add HEROKU_HOSTNAME=myapp.herokuapp.com

https://devcenter.heroku.com/articles/dyno-idling