Noting heroku:rack_env in README.
Noting heroku:rack_env in README.

fastestforward/heroku_san,debreczeni/heroku-rails-saas,fastestforward/heroku_san,TerraCycleUS/heroku-rails-saas,gfdgfd/hksan,gfdgfd/hksan,jqr/heroku_san,jamescallmebrent/heroku_san,jqr/heroku_san,jacquescrocker/heroku-rails