services:
  # Producer: the ONLY service that touches hardware (smartctl/sg_ses/zpool/
  # ledctl). Serialized + paced; writes everything to Redis.
  poller:
    build: .
    image: docker.adamksmith.xyz/jbod-monitor:latest
    container_name: jbod-poller
    restart: unless-stopped
    privileged: true
    pid: host
    network_mode: host
    command: ["python", "-u", "poller.py"]
    volumes:
      - /dev:/dev
      - /sys:/sys:ro
      - /run/udev:/run/udev:ro
    environment:
      - TZ=America/Denver
      - ZFS_USE_NSENTER=true
      - REDIS_HOST=127.0.0.1
      - REDIS_PORT=6379
      - REDIS_DB=0
      # Pacing — keep the SAS bus quiet. POLL_CONCURRENCY=1 fully serializes.
      - POLL_SWEEP_INTERVAL=300
      - POLL_DRIVE_GAP=0.5
      - POLL_CONCURRENCY=1
      - POLL_STARTUP_JITTER=10
      - POLL_DATA_TTL=900
    depends_on:
      - redis

  # Consumer: REST API + web UI + Home Assistant MQTT. Reads Redis only —
  # unprivileged, no /dev, can restart freely without touching hardware.
  app:
    build: .
    image: docker.adamksmith.xyz/jbod-monitor:latest
    container_name: jbod-monitor
    restart: unless-stopped
    network_mode: host
    environment:
      - TZ=America/Denver
      - UVICORN_LOG_LEVEL=info
      - REDIS_HOST=127.0.0.1
      - REDIS_PORT=6379
      - REDIS_DB=0
      # Home Assistant MQTT publishing (EMQX, bridged to Mosquitto HA add-on).
      - MQTT_HOST=10.5.30.3
      - MQTT_PORT=1883
      - MQTT_DISCOVERY_PREFIX=homeassistant
      - MQTT_BASE_TOPIC=jbod-monitor
      - MQTT_PUBLISH_INTERVAL=60
    # Broker credentials (MQTT_USERNAME/MQTT_PASSWORD). Optional: container
    # starts without it (MQTT just won't authenticate).
    env_file:
      - path: /etc/jbod-monitor/mqtt.env
        required: false
    depends_on:
      - redis

  redis:
    image: redis:7-alpine
    container_name: jbod-redis
    restart: unless-stopped
    network_mode: host
    volumes:
      - redis-data:/data
    command: redis-server --save 60 1 --loglevel warning

volumes:
  redis-data: