name: Newt-Metrics
services:
  # Recommended Variant A: Direct Prometheus scrape of Newt (/metrics)
  # Optional: You may add the Collector service and enable OTLP export, but do NOT
  # scrape both Newt and the Collector for the same process.

  newt:
    build: .
    image: newt:dev
    env_file:
      - .env
    environment:
      OTEL_SERVICE_NAME: newt
      NEWT_METRICS_PROMETHEUS_ENABLED: "true"
      NEWT_METRICS_OTLP_ENABLED: "false"   # avoid double-scrape by default
      NEWT_ADMIN_ADDR: ":2112"
      # Base NEWT configuration
      PANGOLIN_ENDPOINT: ${PANGOLIN_ENDPOINT}
      NEWT_ID: ${NEWT_ID}
      NEWT_SECRET: ${NEWT_SECRET}
      LOG_LEVEL: "DEBUG"
    ports:
      - "2112:2112"

  # Optional Variant B: Enable the Collector and switch Prometheus scrape to it.
  # collector:
  #   image: otel/opentelemetry-collector-contrib:0.136.0
  #   command: ["--config=/etc/otelcol/config.yaml"]
  #   volumes:
  #     - ./examples/otel-collector.yaml:/etc/otelcol/config.yaml:ro
  #   ports:
  #     - "4317:4317"   # OTLP gRPC in
  #     - "8889:8889"   # Prometheus scrape out

  prometheus:
    image: prom/prometheus:v3.6.0
    volumes:
      - ./examples/prometheus.yml:/etc/prometheus/prometheus.yml:ro
    ports:
      - "9090:9090"

  grafana:
    image: grafana/grafana:12.2.0
    container_name: newt-metrics-grafana
    restart: unless-stopped
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin
    ports:
      - "3005:3000"
    depends_on:
      - prometheus
    volumes:
      - ./examples/grafana/provisioning/datasources:/etc/grafana/provisioning/datasources:ro
      - ./examples/grafana/provisioning/dashboards:/etc/grafana/provisioning/dashboards:ro
      - ./examples/grafana/dashboards:/var/lib/grafana/dashboards:ro