# MetaBuilder Monitoring Stack
# Prometheus, Grafana, Loki for logs, and health monitoring
# Usage: docker-compose -f deployment/docker/docker-compose.monitoring.yml up -d

version: '3.8'

services:
  # Prometheus - Metrics collection
  prometheus:
    image: prom/prometheus:latest
    container_name: metabuilder-prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--storage.tsdb.retention.time=30d'
      - '--web.console.libraries=/etc/prometheus/console_libraries'
      - '--web.console.templates=/etc/prometheus/consoles'
      - '--web.enable-lifecycle'
    volumes:
      - ./config/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - ./config/prometheus/alerts.yml:/etc/prometheus/alerts.yml:ro
      - prometheus_data:/prometheus
    ports:
      - "9090:9090"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
      - metabuilder-network
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G
        reservations:
          cpus: '0.5'
          memory: 512M

  # Grafana - Metrics visualization
  grafana:
    image: grafana/grafana:latest
    container_name: metabuilder-grafana
    environment:
      GF_SECURITY_ADMIN_USER: ${GRAFANA_ADMIN_USER:-admin}
      GF_SECURITY_ADMIN_PASSWORD: ${GRAFANA_ADMIN_PASSWORD:-admin}
      GF_INSTALL_PLUGINS: grafana-clock-panel,grafana-simple-json-datasource
      GF_SERVER_ROOT_URL: ${GRAFANA_ROOT_URL:-http://localhost:3001}
      GF_AUTH_ANONYMOUS_ENABLED: "false"
    volumes:
      - grafana_data:/var/lib/grafana
      - ./config/grafana/provisioning:/etc/grafana/provisioning:ro
      - ./config/grafana/dashboards:/var/lib/grafana/dashboards:ro
    ports:
      - "3001:3000"
    restart: unless-stopped
    depends_on:
      - prometheus
      - loki
    networks:
      - metabuilder-monitoring
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M

  # Loki - Log aggregation
  loki:
    image: grafana/loki:latest
    container_name: metabuilder-loki
    command: -config.file=/etc/loki/local-config.yaml
    volumes:
      - ./config/loki/loki-config.yml:/etc/loki/local-config.yaml:ro
      - loki_data:/loki
    ports:
      - "3100:3100"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
      - metabuilder-network
    deploy:
      resources:
        limits:
          cpus: '1'
          memory: 1G
        reservations:
          cpus: '0.5'
          memory: 512M

  # Promtail - Log shipper
  promtail:
    image: grafana/promtail:latest
    container_name: metabuilder-promtail
    command: -config.file=/etc/promtail/config.yml
    volumes:
      - ./config/promtail/promtail-config.yml:/etc/promtail/config.yml:ro
      - /var/log:/var/log:ro
      - /var/lib/docker/containers:/var/lib/docker/containers:ro
    restart: unless-stopped
    depends_on:
      - loki
    networks:
      - metabuilder-monitoring
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M
        reservations:
          cpus: '0.1'
          memory: 128M

  # Node Exporter - Host metrics
  node-exporter:
    image: prom/node-exporter:latest
    container_name: metabuilder-node-exporter
    command:
      - '--path.rootfs=/host'
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--collector.filesystem.mount-points-exclude=^/(sys|proc|dev|host|etc)($$|/)'
    volumes:
      - /:/host:ro,rslave
    ports:
      - "9100:9100"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M

  # Postgres Exporter - Database metrics
  postgres-exporter:
    image: prometheuscommunity/postgres-exporter:latest
    container_name: metabuilder-postgres-exporter
    environment:
      DATA_SOURCE_NAME: "postgresql://${POSTGRES_USER:-metabuilder}:${POSTGRES_PASSWORD:-changeme}@postgres:5432/${POSTGRES_DB:-metabuilder}?sslmode=disable"
    ports:
      - "9187:9187"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
      - metabuilder-network
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128M

  # Redis Exporter - Cache metrics
  redis-exporter:
    image: oliver006/redis_exporter:latest
    container_name: metabuilder-redis-exporter
    environment:
      REDIS_ADDR: redis:6379
      REDIS_PASSWORD: ${REDIS_PASSWORD:-changeme_redis_password}
    ports:
      - "9121:9121"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
      - metabuilder-network
    deploy:
      resources:
        limits:
          cpus: '0.25'
          memory: 128M

  # cAdvisor - Container metrics
  cadvisor:
    image: gcr.io/cadvisor/cadvisor:latest
    container_name: metabuilder-cadvisor
    privileged: true
    volumes:
      - /:/rootfs:ro
      - /var/run:/var/run:ro
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
      - /dev/disk/:/dev/disk:ro
    ports:
      - "8080:8080"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M

  # Alertmanager - Alert routing
  alertmanager:
    image: prom/alertmanager:latest
    container_name: metabuilder-alertmanager
    command:
      - '--config.file=/etc/alertmanager/config.yml'
      - '--storage.path=/alertmanager'
    volumes:
      - ./config/alertmanager/alertmanager.yml:/etc/alertmanager/config.yml:ro
      - alertmanager_data:/alertmanager
    ports:
      - "9093:9093"
    restart: unless-stopped
    networks:
      - metabuilder-monitoring
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 256M

volumes:
  prometheus_data:
    driver: local
  grafana_data:
    driver: local
  loki_data:
    driver: local
  alertmanager_data:
    driver: local

networks:
  metabuilder-monitoring:
    driver: bridge
  metabuilder-network:
    external: true
    name: metabuilder_metabuilder-network