heroku push rejected, failed to compile Ruby/rails app

Question

Having the following issue, BRAND NEW TO RoR, first time ever trying to upload an app to go live, first had hosting issues, then decided if i could fix them with heroku i wo

Answer 1

Heroku's asset plugins no longer work since Rails 4 does not support plugins. You need to use Heroku's asset gems instead. Place this in your Gemfile:

group :production do
  gem 'rails_12factor'
end

Answer found here: Heroku does NOT compile files under assets pipelines in Rails 4 worked for me