version: "3.9"

services:
  # -------------------------------------------------
  # InfluxDB
  # -------------------------------------------------
  influxdb:
    image: influxdb:latest
    container_name: influxdb
    restart: unless-stopped
    ports:
      - "8086:8086"
    volumes:
      - ./influxdb/data:/var/lib/influxdb2
      - ./influxdb/config:/etc/influxdb2
    healthcheck:
      test: ["CMD", "curl", "-fsS", "http://localhost:8086/health"]
      interval: 5s
      timeout: 3s
      retries: 20


  # -------------------------------------------------
  # Grafana
  # -------------------------------------------------
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    restart: unless-stopped
    user: "0"
    ports:
      - "3000:3000"
    volumes:
      - ./grafana/data:/var/lib/grafana
      - ./grafana/config:/etc/grafana
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:3000/api/health"]
      interval: 5s
      timeout: 3s
      retries: 20
    depends_on:
      influxdb:
        condition: service_healthy


  # -------------------------------------------------
  # Mosquitto (MQTT) – User wird beim Start angelegt
  # -------------------------------------------------
  mqtt5:
    image: eclipse-mosquitto:latest
    container_name: mqtt5
    restart: unless-stopped
    user: "0"
    env_file:
      - .env
    ports:
      - "1883:1883"
      - "9001:9001"
    volumes:
      - ./mosquitto/config:/mosquitto/config
      - ./mosquitto/data:/mosquitto/data
      - ./mosquitto/log:/mosquitto/log

    command: >
      sh -c '
        if [ ! -f /mosquitto/config/passwd ]; then
          echo "Creating MQTT user";
          mosquitto_passwd -b /mosquitto/config/passwd "$MQTT_USER" "$MQTT_PASS";
          chmod 600 /mosquitto/config/passwd;
        fi &&
        exec mosquitto -c /mosquitto/config/mosquitto.conf
      '

    healthcheck:
      test:
        [
          "CMD-SHELL",
          "mosquitto_pub -h localhost -p 1883 -u \"$MQTT_USER\" -P \"$MQTT_PASS\" -q 0 -t healthcheck/ping -n >/dev/null 2>&1 || exit 1"
        ]
      interval: 10s
      timeout: 5s
      retries: 12


  # -------------------------------------------------
  # Telegraf
  # -------------------------------------------------
  telegraf:
    image: telegraf:latest
    container_name: telegraf
    restart: unless-stopped
    env_file:
      - .env
    volumes:
      - ./telegraf/telegraf.conf:/etc/telegraf/telegraf.conf:ro
    depends_on:
      mqtt5:
        condition: service_healthy
      influxdb:
        condition: service_healthy
    healthcheck:
      test: ["CMD-SHELL", "pidof telegraf >/dev/null 2>&1 || exit 1"]
      interval: 10s
      timeout: 3s
      retries: 12


networks:
  default:
    name: mqtt5-network
    external: true