version: '2'
volumes:
  registry:
    external:
      name: registry
services:
  registry:
    ports:
      - "127.0.0.1:5000:5000"
    image: registry:2
    volumes:
      - "registry:/var/lib/registry"
    environment:
      REGISTRY_STORAGE_MAINTENANCE: |-
        readonly:
          enabled: true
    restart: always