docker-compose/examples/adminer/compose.yaml

version: "3.9"

services:
  adminer:
    image: adminer:4.8.1
    container_name: adminer
    hostname: adminer
    restart: always
    networks:
      - db_network
      - app_network
    ports:
      - "8080:8080"
    volumes:
      - /usr/share/zoneinfo/Asia/Shanghai:/etc/localtime:ro

networks:
  db_network:
    name: db_network
    external: true
#    driver: bridge
#    driver_opts:
#      encrypted: 'true'
#    ipam:
#      driver: default
#      config:
#        - subnet: 10.21.22.1/24
  app_network:
    name: app_network
    external: true
#    driver: bridge
#    driver_opts:
#      encrypted: 'true'
#    ipam:
#      driver: default
#      config:
#        - subnet: 10.21.23.1/24