Docker Monitoring Stack

sudo apt update
sudo apt install -y docker.io docker-compose-v2
sudo systemctl enable --now docker
sudo usermod -aG docker $USER
# re-login, then:
docker --version
docker compose version

mkdir -p ~/monitoring/prometheus
cd ~/monitoring

global:
  scrape_interval: 15s
 
scrape_configs:
  - job_name: "prometheus"
    static_configs:
      - targets: ["localhost:9090"]

version: "3.8"
 
services:
  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    restart: unless-stopped
    ports:
      - "9090:9090"
    volumes:
      - ./prometheus/prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus_data:/prometheus
    networks:
      - monitoring
 
  grafana:
    image: grafana/grafana:latest
    container_name: grafana
    restart: unless-stopped
    ports:
      - "3000:3000"
    environment:
      - GF_SECURITY_ADMIN_USER=admin
      - GF_SECURITY_ADMIN_PASSWORD=admin123
    volumes:
      - grafana_data:/var/lib/grafana
    depends_on:
      - prometheus
      - loki
    networks:
      - monitoring
 
  loki:
    image: grafana/loki:latest
    container_name: loki
    restart: unless-stopped
    ports:
      - "3100:3100"
    command: -config.file=/etc/loki/local-config.yaml
    networks:
      - monitoring
 
volumes:
  prometheus_data:
  grafana_data:
 
networks:
  monitoring:

docker compose up -d
docker compose ps
docker compose logs -f prometheus