Set config.assets.debug to true in Staging

Author: yasulab

config/environments/staging.rb

@@ -23,6 +23,14 @@
   # Apache or NGINX already handles this.
   config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
 
+  # Debug mode disables concatenation and preprocessing of assets.
+  # This option may cause significant delays in view rendering with a large
+  # number of complex assets.
+  config.assets.debug = true
+
+  # Suppress logger output for asset requests.
+  #config.assets.quiet = true
+
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = Sprockets::UglifierCompressor.new(comments: :copyright)
   # config.assets.css_compressor = :sass