config.assets.paths << "#{ Rails.root }/app/assets/bootstrap" config.assets.paths << "#{ Rails.root }/app/assets/tipsy" config.assets.paths << "#{ Rails.root }/app/assets/nicedit" #4. If you are deploying Rails 3.1 on Heroku, you may want to set: # # config.assets.initialize_on_precompile = false # # On config/application.rb forcing your application to not access the DB # or load models when precompiling your assets.