version: '3.7'

services:
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    ports:
      - "3000:3000"
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=admin
      - GF_SECURITY_ADMIN_USER=admin
      - GF_PATHS_PROVISIONING=/etc/grafana/provisioning
      - GF_AUTH_DISABLE_LOGIN_FORM=false
      - GF_AUTH_ANONYMOUS_ENABLED=true
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Viewer
      - GF_FEATURE_TOGGLES_ENABLE=publicDashboards
      # Improve startup stability in CI
      - GF_LOG_LEVEL=info
      - GF_SERVER_HTTP_PORT=3000
      - GF_DATABASE_WAL=true
      # Reduce resource usage for CI
      - GF_ANALYTICS_REPORTING_ENABLED=false
      - GF_ANALYTICS_CHECK_FOR_UPDATES=false
    healthcheck:
      test: ["CMD-SHELL", "wget --no-verbose --tries=3 --timeout=10 --spider http://localhost:3000/api/health && wget --no-verbose --tries=1 --timeout=5 --spider http://localhost:3000/api/org || exit 1"]
      interval: 15s
      timeout: 10s
      retries: 8
      start_period: 45s
    volumes:
      - grafana-storage:/var/lib/grafana
      - ./provisioning:/etc/grafana/provisioning
      - ./dashboards:/var/lib/grafana/dashboards
    depends_on:
      postgres:
        condition: service_healthy
      prometheus:
        condition: service_started
    networks:
      - grafana-network

  postgres:
    image: postgres:13
    container_name: postgres
    environment:
      POSTGRES_DB: grafana
      POSTGRES_USER: grafana
      POSTGRES_PASSWORD: grafana
      POSTGRES_INITDB_ARGS: "--data-checksums"
    healthcheck:
      test: [ "CMD-SHELL", "pg_isready -U grafana -d grafana" ]
      interval: 10s
      timeout: 10s
      retries: 8
      start_period: 30s
    volumes:
      - postgres-storage:/var/lib/postgresql/data
      - ./postgres-init:/docker-entrypoint-initdb.d
    networks:
      - grafana-network

  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    ports:
      - "9090:9090"
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
      - '--web.console.libraries=/usr/share/prometheus/console_libraries'
      - '--web.console.templates=/usr/share/prometheus/consoles'
      - '--web.enable-lifecycle'

    networks:
      - grafana-network

networks:
  grafana-network:
    driver: bridge

volumes:
  grafana-storage:
  postgres-storage: