services:
  zigbee2mqtt:
    # mosquitto runs with network_mode: host on chelsty-infra.
    # extra_hosts maps the 'mosquitto' hostname to the host gateway IP so that
    # mqtt://mosquitto:1883 in configuration.yaml reaches the host-networked
    # mosquitto process. Works with docker-compose v1 (docker 20.10+).
    extra_hosts:
      - "mosquitto:host-gateway"
    volumes:
      # configuration.yaml lives in the runtime config dir (not in Git).
      # On chelsty-infra: /opt/homelab/config/zigbee2mqtt/configuration.yaml
      - /opt/homelab/config/zigbee2mqtt/configuration.yaml:/app/data/configuration.yaml:ro
    environment:
      - TZ=Europe/Warsaw
    healthcheck:
      test: ["CMD-SHELL", "wget -qO- http://localhost:8080 > /dev/null 2>&1 || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 60s