# One-command Prometheus + Grafana stack for observing a locally-running
# Plano (Envoy admin :9901 + brightstaff :9092 on the host).
#
#   cd config/grafana
#   docker compose up -d
#   open http://localhost:3000  (admin / admin)
#
# Grafana is preloaded with:
#   - Prometheus datasource (uid=DS_PROMETHEUS) → http://prometheus:9090
#   - Brightstaff dashboard (auto-imported from brightstaff_dashboard.json)
#
# Prometheus scrapes the host's :9092 and :9901 via host.docker.internal.
# On Linux this works because of the `extra_hosts: host-gateway` mapping
# below. On Mac/Win it works natively.

services:
  prometheus:
    image: prom/prometheus:latest
    container_name: plano-prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./prometheus_scrape.yaml:/etc/prometheus/prometheus.yml:ro
    extra_hosts:
      - "host.docker.internal:host-gateway"
    restart: unless-stopped

  grafana:
    image: grafana/grafana:latest
    container_name: plano-grafana
    ports:
      - "3000:3000"
    environment:
      GF_SECURITY_ADMIN_USER: admin
      GF_SECURITY_ADMIN_PASSWORD: admin
      GF_AUTH_ANONYMOUS_ENABLED: "true"
      GF_AUTH_ANONYMOUS_ORG_ROLE: Viewer
    volumes:
      - ./provisioning:/etc/grafana/provisioning:ro
      - ./brightstaff_dashboard.json:/var/lib/grafana/dashboards/brightstaff_dashboard.json:ro
    depends_on:
      - prometheus
    restart: unless-stopped