Merge pull request #20617 from backstage/fix-experimental-backend-watch

cli: exclude non-source code files from watchlist

.changeset/tall-dragons-jump.md

@@ -0,0 +1,5 @@
+---
+'@backstage/cli': patch
+---
+
+Fixed recursive reloading issues of the backend, caused by unwanted watched files.

packages/cli/src/lib/experimental/startBackendExperimental.ts

@@ -124,9 +124,8 @@ export async function startBackendExperimental(options: BackendServeOptions) {
 
   restart();
 
-  watcher = watch([paths.targetDir], {
+  watcher = watch([], {
     cwd: process.cwd(),
-    ignored: ['**/.*/**', '**/node_modules/**'],
     ignoreInitial: true,
     ignorePermissionErrors: true,
   }).on('all', restart);