production.rb in guts-2.0.0

- old
+ new

@@ -20,10 +20,10 @@
   # NGINX, varnish or squid.
   # config.action_dispatch.rack_cache = true
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier
   # config.assets.css_compressor = :sass
 