---
# https://github.com/compose-spec/compose-spec/blob/master/spec.md#priority
services:
  app:
    image: busybox
    command: top
    networks:
      app_net_1:
      app_net_2:
        priority: 1000
      app_net_3:
        priority: 100
networks:
  app_net_1:
  app_net_2:
  app_net_3: