x-default: &default
  restart: unless-stopped
  logging:
    driver: json-file
    options:
      max-size: 100m
      max-file: "3"

services:
  registry:
    <<: *default
    image: registry:${REGISTRY_VERSION:-3.0.0}
    volumes:
      - ./certs:/certs:ro
      - ./config.yml:/etc/distribution/config.yml:ro
      - registry:/var/lib/registry
    environment:
      TZ: ${TZ:-UTC}
      REGISTRY_AUTH: ${REGISTRY_AUTH:-}
      REGISTRY_AUTH_HTPASSWD_REALM: ${REGISTRY_AUTH_HTPASSWD_REALM:-}
      REGISTRY_AUTH_HTPASSWD_PATH: ${REGISTRY_AUTH_HTPASSWD_PATH:-}
      REGISTRY_HTTP_TLS_CERTIFICATE: ${REGISTRY_HTTP_TLS_CERTIFICATE:-}
      REGISTRY_HTTP_TLS_KEY: ${REGISTRY_HTTP_TLS_KEY:-}
      OTEL_TRACES_EXPORTER: ${OTEL_TRACES_EXPORTER:-none}
    ports:
      - ${REGISTRY_PORT:-5000}:5000
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
        reservations:
          cpus: '0.1'
          memory: 128M
    healthcheck:
      test: ["CMD", "wget", "--no-verbose", "--tries=1", "--spider", "http://localhost:5000/"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 10s

volumes:
  registry: