docker swarm test in docker host

compose.yml

version: '3.8'
services:
  docker_host_1:
    image: docker:dind
    privileged: true
    volumes:
      - docker_host_1_data:/var/lib/docker
    networks:
      - docker_network

  docker_host_2:
    image: docker:dind
    privileged: true
    volumes:
      - docker_host_2_data:/var/lib/docker
    networks:
      - docker_network

  docker_host_3:
    image: docker:dind
    privileged: true
    volumes:
      - docker_host_3_data:/var/lib/docker
    networks:
      - docker_network

networks:
  docker_network:
    driver: bridge

volumes:
  docker_host_1_data:
  docker_host_2_data:
  docker_host_3_data: