$ Rails.application.config.assets.paths # 지정된 경로 확인
"/rails-config/app/assets/images", "/rails-config/app/assets/javascripts", "/rails-config/app/assets/stylesheets", "/rails-config/vendor/assets/javascripts", "/rails-config/vendor/assets/stylesheets", "/usr/local/var/rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/turbolinks-2.2.2/lib/assets/javascripts", "/usr/local/var/rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/jquery-rails-3.1.0/vendor/assets/javascripts", "/usr/local/var/rbenv/versions/2.0.0-p247/lib/ruby/gems/2.0.0/gems/coffee-rails-4.0.1/lib/assets/javascripts"
By hanguk lee
Part 2 - Configuring Assets, Configuring Generators