1 files changed, 17 insertions, 0 deletions
diff --git a/actionpack/lib/action_controller/metal/default_headers.rb b/actionpack/lib/action_controller/metal/default_headers.rb
new file mode 100644
index 0000000000..eef0602fcd
--- /dev/null
+++ b/actionpack/lib/action_controller/metal/default_headers.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module ActionController
+  # Allows configuring default headers that will be automatically merged into
+  # each response.
+  module DefaultHeaders
+    extend ActiveSupport::Concern
+
+    module ClassMethods
+      def make_response!(request)
+        ActionDispatch::Response.create.tap do |res|
+          res.request = request
+        end
+      end
+    end
+  end
+end