services:
  lgtm:
    # Grafana's all-in-one OpenTelemetry backend: Loki, Grafana, Tempo, Mimir
    # (Prometheus), Pyroscope + an OpenTelemetry Collector.
    # https://github.com/grafana/docker-otel-lgtm
    image: grafana/otel-lgtm:latest
    container_name: copilot-lgtm
    ports:
      - "3000:3000"   # Grafana UI            -> http://localhost:3000 (admin/admin)
      - "4317:4317"   # OTLP/gRPC ingest
      - "4318:4318"   # OTLP/HTTP ingest       <- VS Code Copilot exports here
      - "9090:9090"   # Prometheus (metrics), optional for debugging
      - "3200:3200"   # Tempo (traces),        optional for debugging
    environment:
      # Grafana admin credentials (dev only).
      GF_SECURITY_ADMIN_USER: ${GF_SECURITY_ADMIN_USER:-admin}
      GF_SECURITY_ADMIN_PASSWORD: ${GF_SECURITY_ADMIN_PASSWORD:-admin}
      # Land on the Overview dashboard when opening Grafana.
      GF_DASHBOARDS_DEFAULT_HOME_DASHBOARD_PATH: /otel-lgtm/grafana/conf/provisioning/dashboards/custom/copilot-overview.json
      # Preinstall the Infinity datasource (>= 2.7.1 for backend time macros) so
      # the Agent Graph and Agent Timeline dashboards can read the agent-insights
      # sidecar. SYNC installs before Grafana starts, so provisioning finds the
      # plugin. Needs outbound internet on first start to download the plugin.
      GF_PLUGINS_PREINSTALL_SYNC: yesoreyeram-infinity-datasource
    volumes:
      # Provider config that tells Grafana where to find our custom dashboards.
      - ./grafana/provisioning/dashboards/copilot.yaml:/otel-lgtm/grafana/conf/provisioning/dashboards/copilot.yaml:ro
      # All dashboard JSON files in this folder are auto-loaded on startup.
      - ./grafana/dashboards:/otel-lgtm/grafana/conf/provisioning/dashboards/custom:ro
      # Infinity datasource used by the Agent Graph Node Graph panel.
      - ./grafana/provisioning/datasources/infinity.yaml:/otel-lgtm/grafana/conf/provisioning/datasources/infinity.yaml:ro
      # Custom OTel Collector config that computes gen_ai.usage.cost_usd on spans.
      - ./otelcol/otelcol-config.yaml:/otel-lgtm/otelcol-config.yaml:ro
      # Persist metrics/traces/logs across container restarts (dev convenience).
      - lgtm-data:/data
    healthcheck:
      # The image writes /tmp/ready once every backend is up.
      test: ["CMD-SHELL", "test -f /tmp/ready || exit 1"]
      interval: 30s
      timeout: 5s
      retries: 5
      start_period: 90s

  agent-insights:
    # Trace-derived views sidecar: walks Tempo traces and serves aggregated JSON
    # frames that no LGTM datasource can produce directly — the parent-agent ->
    # subagent graph, per-conversation timelines, and cost by repo/branch.
    # Consumed by the Agent Graph, Agent Timeline, and Cost by Repo & Branch
    # dashboards via the Infinity datasource.
    build: ./agent-insights
    container_name: copilot-agent-insights
    environment:
      # Reach Tempo on the shared compose network via the lgtm service name.
      TEMPO_URL: http://lgtm:3200
      PORT: "8099"
    ports:
      - "8099:8099"   # JSON views + /health, optional for debugging
    depends_on:
      - lgtm
    restart: unless-stopped

volumes:
  lgtm-data: