version: "3.3"

services:
  service1:
    image: nginx
    networks:
    - net1
    - net3
    deploy:
      mode: replicated
      replicas: 27
      endpoint_mode: vip

  service2:
    image: nginx
    networks:
    - net2
    - net3
    deploy:
      mode: replicated
      replicas: 23
      endpoint_mode: vip


networks:
  net1:
    driver: overlay
    ipam:
      config:
      - subnet: 10.1.1.0/27
  net2:
    driver: overlay
    ipam:
      config:
      - subnet: 10.1.2.0/27
  net3:
    driver: overlay
    ipam:
      config:
      - subnet: 10.1.3.0/26