code: func (deploymentStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
  	deployment := obj.(*apps.Deployment)
  	deployment.Status = apps.DeploymentStatus{}
  	deployment.Generation = 1
  
  	pod.DropDisabledTemplateFields(&deployment.Spec.Template, nil)
  }
docs: // PrepareForCreate clears fields that are not allowed to be set by end users on creation.