Fix activestorage config error

config/environments/production.rb

@@ -81,6 +81,8 @@ Railsgoat::Application.configure do
   # Rake tasks automatically ignore this option for performance.
   config.eager_load = true
 
+  config.active_storage.service = :production
+
   # For Rails 4.0+: Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 

config/storage.yml

@@ -5,3 +5,7 @@ test:
 local:
   service: Disk
   root: <%= Rails.root.join("storage") %>
+
+production:
+  service: Disk
+  root: <%= Rails.root.join("storage") %>