groups:
  default:
    concurrency: 5
    queues:
      - default
  mailers:
    concurrency: 5
    queues:
      - mailers

groups:
  default:
    concurrency: 5
    queues:
      - default
  mailers:
    concurrency: 5
    queues:
      - mailers
timeout: 2

Set a shorter timeout for process termination so that our app will restart faster on Heroku
Set a shorter timeout for process termination so that our app will restart faster on Heroku
