services:

  otel-collector:
    image: otel/opentelemetry-collector-contrib:latest
    container_name: otel-collector
    command: ["--config=/etc/otel-collector-config.yml"]
    volumes:
      - ./otel-collector-config.yml:/etc/otel-collector-config.yml
    ports:
      - "4317:4317"   # gRPC
      - "4318:4318"   # HTTP
      - "8889:8889"   # Prometheus metrics endpoint
    networks:
      - observ-net
    

  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
      - ./rules:/etc/prometheus/rules
    ports:
      - "9090:9090" # Interfaccia Web di Prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
    depends_on:
      - otel-collector
    networks:
      - observ-net

  grafana:
    image: grafana/grafana:latest
    ports:
      - "3000:3000"
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_SECURITY_ADMIN_USER=admin
    volumes:
      - grafana-storage:/var/lib/grafana
      - ./grafana/provisioning:/etc/grafana/provisioning
    depends_on:
      - prometheus
    networks:
      - observ-net

volumes:
  grafana-storage:

networks:
  observ-net:
    driver: bridge