FEATURE: allow overriding server static asset if needed

config/discourse_defaults.conf

@@ -86,3 +86,6 @@ redis_password =
 # enable Cross-origin Resource Sharing (CORS) directly at the application level
 enable_cors = false
 cors_origin = '*'
+
+# enable if you really need to serve assets in prd
+serve_static_assets = false

config/environments/production.rb

@@ -10,7 +10,7 @@ Discourse::Application.configure do
   config.action_controller.perform_caching = true
 
   # Disable Rails's static asset server (Apache or nginx will already do this)
-  config.serve_static_assets = false
+  config.serve_static_assets = GlobalSetting.serve_static_assets
 
   if rails4?
     config.assets.js_compressor  = :uglifier