# Prometheus + Push Gateway + Grafana for testing Bifrost push-based metrics (development only)
#
# Usage:
#   docker compose -f docker-compose.pushgateway.yml up -d
#
# Then configure Bifrost telemetry plugin with:
#   push_gateway_url: http://localhost:9091
#   job_name: bifrost
#   push_interval: 15
#   basic_auth:
#     username: admin
#     password: admin

services:
  pushgateway:
    image: prom/pushgateway:latest
    container_name: pushgateway
    command:
      - "--web.config.file=/etc/pushgateway/web.yml"
    ports:
      - "9091:9091"
    configs:
      - source: pushgateway-web-config
        target: /etc/pushgateway/web.yml
    restart: always
    networks:
      - bifrost_pushgateway_network

  prometheus-pg:
    image: prom/prometheus:latest
    container_name: prometheus-pg
    depends_on:
      - pushgateway
    ports:
      - "9090:9090"
    configs:
      - source: prometheus-config
        target: /etc/prometheus/prometheus.yml
    restart: always
    networks:
      - bifrost_pushgateway_network

  grafana-pg:
    image: grafana/grafana:latest
    container_name: grafana-pg
    depends_on:
      - prometheus-pg
    ports:
      - "4000:3000"
    environment:
      GF_SECURITY_ADMIN_PASSWORD: "admin"
    volumes:
      - ./sample-grafana-dashboard.json:/var/lib/grafana/dashboards/bifrost-dashboard.json
    configs:
      - source: grafana-datasources
        target: /etc/grafana/provisioning/datasources/datasources.yml
      - source: grafana-dashboards
        target: /etc/grafana/provisioning/dashboards/dashboards.yml
    restart: always
    networks:
      - bifrost_pushgateway_network

networks:
  bifrost_pushgateway_network:
    driver: bridge

configs:
  pushgateway-web-config:
    content: |
      basic_auth_users:
        # admin:admin (bcrypt hash)
        admin: "$$2y$$10$$xfmgGnMSClSfhHo/dTsVmexbS1FJ5zZfEmvKm4F/ZpYul9aewIXZ."

  prometheus-config:
    content: |
      global:
        scrape_interval: 5s
      scrape_configs:
        - job_name: "pushgateway"
          honor_labels: true
          basic_auth:
            username: admin
            password: admin
          static_configs:
            - targets: ["pushgateway:9091"]

  grafana-datasources:
    content: |
      apiVersion: 1
      datasources:
        - name: Prometheus
          type: prometheus
          access: proxy
          url: http://prometheus-pg:9090
          isDefault: true
          editable: true

  grafana-dashboards:
    content: |
      apiVersion: 1
      providers:
        - name: 'default'
          orgId: 1
          folder: ''
          type: file
          disableDeletion: false
          updateIntervalSeconds: 10
          allowUiUpdates: true
          options:
            path: /var/lib/grafana/dashboards
            foldersFromFilesStructure: false