GitHub - jacquescrocker/heroku-rails: easy configuration / multi-environment setup with heroku with deployment hooks *NOTE* I no longer use Heroku. If anyone would like to take over this gem, just github msg me.
2. How Heroku Works - Heroku: Up and Running [Book]
How many dynos can you have on Heroku?
Heroku vs. AWS: How Do They Compare? - History-Computer
Confusion over Heroku Pricing on Hobby and Professional(Standard 1x) - Stack Overflow