networks:
  web_net:
    name: web_net
    external: true
  app_net:
    name: app_net
    external: true

volumes:
  nexus_data:
    name: nexus_data
    external: false

services:
  nexus:
    image: sonatype/nexus3:${nexus_image_tag}
    container_name: nexus
    hostname: nexus
    restart: ${restart_policy}
    mem_limit: ${nexus_mem_limit}
    mem_reservation: ${nexus_mem_reservation}
    environment:
      NEXUS_SECURITY_INITIAL_PASSWORD: ${nexus_admin_pass}
      INSTALL4J_ADD_VM_PARAMS: >-
        -Xms${nexus_heap} -Xmx${nexus_heap}
        -XX:MaxDirectMemorySize=${nexus_direct_mem}
        -XX:+UseG1GC
        -XX:+UseContainerSupport
        -Djava.util.prefs.userRoot=/nexus-data/javaprefs
    volumes:
      - nexus_data:/nexus-data
    networks:
      - web_net
      - app_net
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8081/service/rest/v1/status"]
      interval: 30s
      retries: 3
      timeout: 10s
      start_period: 90s
    labels:
      - "traefik.enable=true"
      - "traefik.docker.network=web_net"

      # --- Web UI / REST API - self-signed, no ACME (internal-only domain) ---
      - "traefik.http.routers.http-repo.rule=Host(`${nexus_main_domain}`)"
      - "traefik.http.routers.http-repo.entrypoints=web"
      - "traefik.http.routers.http-repo.service=repo"
      - "traefik.http.routers.repo.rule=Host(`${nexus_main_domain}`)"
      - "traefik.http.routers.repo.entrypoints=websecure"
      - "traefik.http.routers.repo.tls=true"
      - "traefik.http.routers.repo.service=repo"
      - "traefik.http.services.repo.loadBalancer.server.port=8081"

      # --- Docker registry group repo (Docker Hub pull-through cache) ---
      # Port created INSIDE Nexus after first boot - see SETUP.md.
      - "traefik.http.routers.http-docker-repo.rule=Host(`${nexus_docker_domain}`)"
      - "traefik.http.routers.http-docker-repo.entrypoints=web"
      - "traefik.http.routers.http-docker-repo.service=docker-repo"
      - "traefik.http.routers.docker-repo.rule=Host(`${nexus_docker_domain}`)"
      - "traefik.http.routers.docker-repo.entrypoints=websecure"
      - "traefik.http.routers.docker-repo.tls=true"
      - "traefik.http.routers.docker-repo.service=docker-repo"
      - "traefik.http.services.docker-repo.loadBalancer.server.port=${nexus_docker_connector_port}"