code: func (dc *DeploymentController) Run(workers int, stopCh <-chan struct{}) {
  	defer utilruntime.HandleCrash()
  	defer dc.queue.ShutDown()
  
  	klog.Infof("Starting deployment controller")
  	defer klog.Infof("Shutting down deployment controller")
  
  	if !controller.WaitForCacheSync("deployment", stopCh, dc.dListerSynced, dc.rsListerSynced, dc.podListerSynced) {
  		return
  	}
  
  	for i := 0; i < workers; i++ {
  		go wait.Until(dc.worker, time.Second, stopCh)
  	}
  
  	<-stopCh
  }
docs: // Run begins watching and syncing.