# Observability main stack. Prometheus and Grafana. 
# Depends on docker-compose.exporters.yml for the network
name: "cogstack-observability"
services:
  alloy:
    image: cogstacksystems/cogstack-observability-alloy:latest
    ports:
      - "12345:12345"
    networks:
      - observability
    volumes:
      - ${BASE_DIR-.}/alloy/probers:/etc/alloy/probers
      # CAdvisor
      - /:/rootfs:ro
      - /var/run:/var/run:rw
      - /sys:/sys:ro
      - /var/lib/docker/:/var/lib/docker:ro
    environment:
      - PROMETHEUS_URL=http://cogstack-observability-prometheus-1:9090/prometheus
      - ALLOY_HOSTNAME=${ALLOY_HOSTNAME-localhost} # Used to add a label to metrics
      - ALLOY_IP_ADDRESS=${ALLOY_IP_ADDRESS-localhost} # Used to add a label to metrics
  prometheus:
    image: cogstacksystems/cogstack-observability-prometheus:latest
    restart: unless-stopped
    volumes:
      - ./prometheus:/etc/prometheus/cogstack/site/
      - prometheus-data:/prometheus
    networks:
      - observability
  grafana:
    image: cogstacksystems/cogstack-observability-grafana:latest
    restart: unless-stopped
    volumes:
      - grafana-data:/var/lib/grafana
    networks:
      - observability
    environment:
      - GF_AUTH_ANONYMOUS_ENABLED=true # Allows use of grafana without sign in 
      - GF_AUTH_ANONYMOUS_ORG_ROLE=Viewer
  traefik:
    image: cogstacksystems/cogstack-observability-traefik:latest
    networks:
     - observability
    restart: unless-stopped
    ports:
      - "80:80"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro       # So that Traefik can listen to the Docker events

networks:
  observability:
    driver: bridge

volumes:
  prometheus-data:
  grafana-data: