services:
  # ── OpenTelemetry Collector ──
  otel-collector:
    container_name: otel-collector
    image: otel/opentelemetry-collector-contrib:latest
    restart: always
    networks:
      app-shared-net:
        aliases:
          - otel-collector
    ports:
      - '4317:4317'   # OTLP gRPC
      - '4318:4318'   # OTLP HTTP
      - '8889:8889'   # Prometheus metrics
    command:
      - '--config=/etc/otel/config.yml'
    volumes:
      - ../../infra/otel/otel-collector-config.yml:/etc/otel/config.yml:ro
    depends_on:
      jaeger:
        condition: service_started

  # ── Jaeger (Tracing Backend + Built-in UI) ──
  jaeger:
    container_name: jaeger
    image: jaegertracing/all-in-one:latest
    restart: always
    networks:
      app-shared-net:
        aliases:
          - jaeger
    ports:
      - '16686:16686'  # Jaeger UI + API
    environment:
      - COLLECTOR_OTLP_ENABLED=true
      - COLLECTOR_ZIPKIN_HOST_PORT=:9411
      - METRICS_STORAGE_TYPE=prometheus
      - PROMETHEUS_SERVER_URL=http://otel-collector:8889
      - LOG_LEVEL=info

  # ── Custom Dashboard (nginx:alpine) ──
  dashboard:
    container_name: dashboard
    build:
      context: ../..
      dockerfile: infra/docker/dashboard.Dockerfile
    restart: always
    networks:
      app-shared-net:
        aliases:
          - dashboard
    ports:
      - '8080:8080'

networks:
  app-shared-net:
    name: app-shared-net
    external: true