exemplo-docker-compose.yml

# docker-compose.yml com traefik para cluster docker swarm
version: "3"

services:

  grafana:
    image: monitoringartist/grafana-xxl:latest
    ports:
      - "3000:3000"
    networks:
      - traefik-net
    volumes:
      - /data-docker/grafana:/var/lib/grafana
    # service deployment
    deploy:
      mode: replicated
      replicas: 1
      labels:
        - "traefik.port=3000"
        - "traefik.docker.network=traefik-net"
        - "traefik.frontend.rule=Host:grafana.doman.com.br"
        - "traefik.backend.loadbalancer.sticky=true"
      # service resource management
      resources:
        # Hard limit - Docker does not allow to allocate more
        limits:
          cpus: '0.25'
          memory: 512M
        # Soft limit - Docker makes best effort to return to it
        reservations:
          cpus: '0.25'
          memory: 256M
      # service restart policy
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3
        window: 120s
      # service update configuration
      update_config:
        parallelism: 2
        delay: 10s
        failure_action: continue
        monitor: 60s
        max_failure_ratio: 0.3
      # placement constraint - in this case on 'worker' nodes only
      placement:
        constraints: [node.role == manager]

networks:
  traefik-net:
    driver: overlay