name: registry

services:
  backend:
    image: registry:2.8.3
    restart: always
    volumes:
      - registry:/var/lib/registry
    # only for testing.
    #ports:
    # for debugging only, not requireed to be accessioble
    #  - 4999:5000

  frontend:
    image: regproxy
    build:
      context: proxy
    restart: always
    #network_mode: host
    command:
      - localhost
      - "5000"
      - http://backend:5000
    ports:
      # run images with localhost:5001
      - 5000:5000
    volumes:
      - //var/run:/var/run

  # an image with a lot of big layers to verify the mechanism.
  bigmf:
    build:
      context: bigmf
    image: localhost:5000/bigmf
    profiles:
      - testing

volumes:
  registry: