wait for /ready instead of hitting the ui directly

Author: eh-am

.github/workflows/e2e.yaml

@@ -32,7 +32,7 @@ jobs:
       - name: Cypress run
         uses: cypress-io/github-action@v5
         with:
-          wait-on: http://localhost:4100/ui/
+          wait-on: http://localhost:4100/ready
           start: make run
           config-file: cypress/ci.ts
         env:
@@ -64,7 +64,7 @@ jobs:
       - name: Cypress run
         uses: cypress-io/github-action@v5
         with:
-          wait-on: http://localhost:8080/foobar/
+          wait-on: http://localhost:8080/ready
           start: |
             make run PARAMS=-api.base-url=/foobar/
           config-file: cypress/ci-base-path.ts

pkg/frontend/frontend.go

@@ -168,6 +168,9 @@ func NewFrontend(cfg Config, limits Limits, log log.Logger, reg prometheus.Regis
 }
 
 func (f *Frontend) starting(ctx context.Context) error {
+	// Artificial delay
+	time.Sleep(time.Second * 60)
+
 	f.schedulerWorkersWatcher.WatchService(f.schedulerWorkers)
 
 	return errors.Wrap(services.StartAndAwaitRunning(ctx, f.schedulerWorkers), "failed to start frontend scheduler workers")