Мониторинг VPS без переплат: Prometheus + Grafana на бесплатном стеке

# docker-compose.monitoring.yml
services:
  prometheus:
    image: prom/prometheus:latest
    volumes:
      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
      - prometheus_data:/prometheus
    ports:
      - "9090:9090"
    restart: always

  grafana:
    image: grafana/grafana:latest
    environment:
      - GF_SECURITY_ADMIN_PASSWORD=${GRAFANA_PASSWORD}
    volumes:
      - grafana_data:/var/lib/grafana
    ports:
      - "3000:3000"
    depends_on:
      - prometheus
    restart: always

  node-exporter:
    image: prom/node-exporter:latest
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /:/rootfs:ro
    command:
      - '--path.procfs=/host/proc'
      - '--path.sysfs=/host/sys'
      - '--path.rootfs=/rootfs'
    ports:
      - "9100:9100"
    restart: always

volumes:
  prometheus_data:
  grafana_data:

# prometheus.yml
global:
  scrape_interval: 15s
  evaluation_interval: 15s

scrape_configs:
  - job_name: 'node'
    static_configs:
      - targets: ['node-exporter:9100']
        labels:
          instance: 'my-vps'

  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']