code: public void createContainerContext(@Observes EventContext<ContainerControlEvent> context) {
          ContainerContext containerContext = this.containerContext.get();
          ContainerControlEvent event = context.getEvent();
  
          try {
              containerContext.activate(event.getContainerName());
              context.proceed();
          } finally {
              containerContext.deactivate();
          }
      }
docs: /*
  Container Level
  
  Activate ContainerContext on all Container Events