kiwi-scp/src/etc/docker-compose_default.yml

version: "2"

networks:
  # reachable from outside
  default:
    driver: bridge
  # interconnects projects
  kiwi_hub:
    external:
      name: $KIWI_HUB_NAME

services:
  # an example service
  something:
    # uses an image
    image: maintainer/repo:tag
    # will get restarted
    restart: unless-stopped
    # is also connected to the instance hub
    networks:
      - default
      - kiwi_hub