Ensure routes are loaded only after the initialization process finishes, ensuring all configuration options were applied.

1 files changed, 7 insertions, 0 deletions

diff --git a/railties/lib/rails/application/finisher.rb b/railties/lib/rails/application/finisher.rb
index 855467227b..8fd2aa0bce 100644
--- a/railties/lib/rails/application/finisher.rb
+++ b/railties/lib/rails/application/finisher.rb
@@ -46,6 +46,13 @@ module Rails
         ActiveSupport.run_load_hooks(:after_initialize, self)
       end
 
+      # Force routes to be loaded just at the end and add it to to_prepare callbacks
+      initializer :set_routes_reloader do |app|
+        reloader = lambda { app.routes_reloader.execute_if_updated }
+        reloader.call
+        ActionDispatch::Callbacks.to_prepare(&reloader)
+      end
+
       # Disable dependency loading during request cycle
       initializer :disable_dependency_loading do
         if config.cache_classes && !config.dependency_loading