Set no-cache headers for health check endpoint

Resolves #16364
craftcms · Dec 30, 2024 · ae59346 · ae59346
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diff --git a/CHANGELOG-WIP.md b/CHANGELOG-WIP.md
@@ -16,4 +16,5 @@
 ## System
 - Database rows with foreign keys referencing nonexistent rows are now deleted via garbage collection.
 - Pages which contain image transform generation URLs now set no-cache headers. ([#16195](https://github.com/craftcms/cms/discussions/16195))
+- The `app/health-check` action now sends no-cache headers. ([#16364](https://github.com/craftcms/cms/pull/16364))
 - Updated Twig to 3.15. ([#16207](https://github.com/craftcms/cms/discussions/16207))
diff --git a/src/controllers/AppController.php b/src/controllers/AppController.php
@@ -95,6 +95,7 @@ public function beforeAction($action): bool
     public function actionHealthCheck(): Response
     {
         // All that matters is the 200 response
+        $this->response->setNoCacheHeaders();
         $this->response->format = Response::FORMAT_RAW;
         $this->response->data = '';
         return $this->response;