development: &defaults
  :concurrency: 1
staging:
  <<: *defaults
production:
  <<: *defaults
  :concurrency: 20
:queues:
  - ["high", 6]
  - ["medium", 4]
  - ["low", 2]
  - ["default", 3]
  - ["mailers", 3]
  - ["active_storage_purge", 3]
  - ["active_storage_analysis", 3]
  - ["action_mailbox_routing", 3]