text: import os
  
  broker_url = "pyamqp://guest@{hostname}:5672//".format(
      hostname=os.getenv("DAGSTER_CELERY_BROKER_HOST", "localhost")
  )
  
  backend = "rpc://"
  
  result_backend = backend
  
  task_default_priority = 5
  
  task_default_queue = "dagster"
  
  worker_prefetch_multiplier = 4
  
  broker_transport_options = {
      # these defaults were lifted from examples - worth updating after some experience
      "max_retries": 3,
      "interval_start": 0,
      "interval_step": 0.2,
      "interval_max": 0.5,
  }
  