version: '3.8'

services:
  # Docker Registry with Cache Configuration
  registry-cache:
    image: registry:2
    container_name: site11_registry_cache
    restart: always
    ports:
      - "5000:5000"
    environment:
      # Registry configuration
      REGISTRY_STORAGE_FILESYSTEM_ROOTDIRECTORY: /var/lib/registry
      REGISTRY_HTTP_ADDR: 0.0.0.0:5000

      # Enable proxy cache for Docker Hub
      REGISTRY_PROXY_REMOTEURL: https://registry-1.docker.io
      REGISTRY_PROXY_USERNAME: ${DOCKER_HUB_USER:-}
      REGISTRY_PROXY_PASSWORD: ${DOCKER_HUB_PASSWORD:-}

      # Cache configuration
      REGISTRY_STORAGE_CACHE_BLOBDESCRIPTOR: inmemory
      REGISTRY_STORAGE_DELETE_ENABLED: "true"

      # Garbage collection
      REGISTRY_STORAGE_GC_ENABLED: "true"
      REGISTRY_STORAGE_GC_INTERVAL: 12h

      # Performance tuning
      REGISTRY_HTTP_SECRET: ${REGISTRY_SECRET:-registrysecret}
      REGISTRY_COMPATIBILITY_SCHEMA1_ENABLED: "true"

    volumes:
      - registry-cache-data:/var/lib/registry
      - ./registry/config.yml:/etc/docker/registry/config.yml:ro
    networks:
      - site11_network
    healthcheck:
      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost:5000/v2/"]
      interval: 30s
      timeout: 10s
      retries: 3

  # Harbor - Enterprise-grade Registry with Cache (Alternative)
  harbor-registry:
    image: goharbor/harbor-core:v2.9.0
    container_name: site11_harbor
    profiles: ["harbor"]  # Only start with --profile harbor
    environment:
      HARBOR_ADMIN_PASSWORD: ${HARBOR_ADMIN_PASSWORD:-Harbor12345}
      HARBOR_DB_PASSWORD: ${HARBOR_DB_PASSWORD:-Harbor12345}
      # Enable proxy cache
      HARBOR_PROXY_CACHE_ENABLED: "true"
      HARBOR_PROXY_CACHE_ENDPOINT: https://registry-1.docker.io
    ports:
      - "8880:8080"
      - "8443:8443"
    volumes:
      - harbor-data:/data
      - harbor-config:/etc/harbor
    networks:
      - site11_network

  # Sonatype Nexus - Repository Manager with Docker Registry (Alternative)
  nexus:
    image: sonatype/nexus3:latest
    container_name: site11_nexus
    profiles: ["nexus"]  # Only start with --profile nexus
    ports:
      - "8081:8081"     # Nexus UI
      - "8082:8082"     # Docker hosted registry
      - "8083:8083"     # Docker proxy registry (cache)
      - "8084:8084"     # Docker group registry
    volumes:
      - nexus-data:/nexus-data
    environment:
      NEXUS_CONTEXT: /
      INSTALL4J_ADD_VM_PARAMS: "-Xms2g -Xmx2g -XX:MaxDirectMemorySize=3g"
    networks:
      - site11_network
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8081/"]
      interval: 30s
      timeout: 10s
      retries: 3

  # Redis for registry cache metadata (optional enhancement)
  registry-redis:
    image: redis:7-alpine
    container_name: site11_registry_redis
    profiles: ["registry-redis"]
    volumes:
      - registry-redis-data:/data
    networks:
      - site11_network
    command: redis-server --appendonly yes
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 30s
      timeout: 10s
      retries: 3

volumes:
  registry-cache-data:
    driver: local
  harbor-data:
    driver: local
  harbor-config:
    driver: local
  nexus-data:
    driver: local
  registry-redis-data:
    driver: local

networks:
  site11_network:
    external: true