Merge pull request #8659 from backstage/timbonicus/backend-note

Add warning to default backend

.changeset/modern-waves-lay.md

@@ -0,0 +1,5 @@
+---
+'@backstage/create-app': patch
+---
+
+Add a comment to the default backend about the fallback 404 handler.

packages/create-app/templates/default-app/packages/backend/src/index.ts

@@ -81,6 +81,8 @@ async function main() {
   apiRouter.use('/techdocs', await techdocs(techdocsEnv));
   apiRouter.use('/proxy', await proxy(proxyEnv));
   apiRouter.use('/search', await search(searchEnv));
+
+  // Add backends ABOVE this line; this 404 handler is the catch-all fallback
   apiRouter.use(notFoundHandler());
 
   const service = createServiceBuilder(module)