# ============================================
# Wordly.art - Monitoring Stack (Prometheus + Grafana)
# ============================================
# Deploys alongside the main docker-compose.yml
# Grafana accessible via NPM sur monitoring.wordly.art (ou IP:3001)
#
# Usage:
#   docker compose -f docker-compose.yml -f docker-compose.monitoring.yml up -d
#
# Access:
#   Grafana:  http://<IP_SERVEUR>:3001  (admin / WordlyGrafana2026!)
#   Ou via NPM: monitoring.wordly.art -> wordly-grafana:3000
# ============================================

services:
  # ===========================================
  # Prometheus - Metrics Collection
  # ===========================================
  prometheus:
    image: prom/prometheus:v2.52.0
    container_name: wordly-prometheus
    restart: unless-stopped
    volumes:
      - ./docker/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - ./docker/prometheus/alerts.yml:/etc/prometheus/alerts.yml:ro
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--storage.tsdb.retention.time=30d'
      - '--storage.tsdb.retention.size=5GB'
      - '--web.enable-lifecycle'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
    networks:
      - wordly-network
    healthcheck:
      test: ["CMD", "wget", "-q", "--spider", "http://localhost:9090/-/healthy"]
      interval: 30s
      timeout: 5s
      retries: 3
    deploy:
      resources:
        limits:
          memory: 512M
        reservations:
          memory: 128M

  # ===========================================
  # Grafana - Dashboards & Visualization
  # ===========================================
  grafana:
    image: grafana/grafana:11.0.0
    container_name: wordly-grafana
    restart: unless-stopped
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=WordlyGrafana2026!
      - GF_USERS_ALLOW_SIGN_UP=false
      - GF_SERVER_ROOT_URL=https://monitoring.wordly.art
      - GF_INSTALL_PLUGINS=grafana-clock-panel
    volumes:
      - grafana_data:/var/lib/grafana
      - ./docker/grafana/provisioning:/etc/grafana/provisioning:ro
      - ./docker/grafana/dashboards:/var/lib/grafana/dashboards:ro
    ports:
      - "3001:3000"
    networks:
      - wordly-network
    depends_on:
      prometheus:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "wget", "-q", "--spider", "http://localhost:3000/api/health"]
      interval: 30s
      timeout: 5s
      retries: 3
    deploy:
      resources:
        limits:
          memory: 256M
        reservations:
          memory: 64M

  # ===========================================
  # Node Exporter - System Metrics (CPU, RAM, Disk, Network)
  # ===========================================
  node-exporter:
    image: prom/node-exporter:v1.8.0
    container_name: wordly-node-exporter
    restart: unless-stopped
    pid: host
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--path.rootfs=/rootfs'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|etc|var/lib/docker)($$|/)'
    networks:
      - wordly-network
    deploy:
      resources:
        limits:
          memory: 64M

  # ===========================================
  # cAdvisor - Docker Container Metrics
  # ===========================================
  cadvisor:
    image: gcr.io/cadvisor/cadvisor:v0.49.1
    container_name: wordly-cadvisor
    restart: unless-stopped
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
      - /dev/disk:/dev/disk:ro
    privileged: true
    devices:
      - /dev/kmsg
    networks:
      - wordly-network
    deploy:
      resources:
        limits:
          memory: 128M

# ===========================================
# Volumes
# ===========================================
volumes:
  prometheus_data:
    driver: local
  grafana_data:
    driver: local

# ===========================================
# Networks - Must match main docker-compose
# ===========================================
networks:
  wordly-network:
    external: true
