1 files changed, 3 insertions, 1 deletions
diff --git a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
index e29f0bacaa..4dd20a9d2e 100644
--- a/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
+++ b/railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt
@@ -15,8 +15,10 @@ Rails.application.configure do
   # Enable/disable caching. By default caching is disabled.
   if Rails.root.join('tmp/caching-dev.txt').exist?
     config.action_controller.perform_caching = true
-    config.static_cache_control = "public, max-age=172800"
     config.cache_store = :memory_store
+    config.public_file_server.headers = {
+      'Cache-Control' => 'public, max-age=172800'
+    }
   else
     config.action_controller.perform_caching = false
     config.cache_store = :null_store