version: "3"

services:
  webserver:
    image: scherermichael/play-with-docker
    deploy:
      replicas: 5
    ports:
      - "3000:3000"
    networks:
      - samplenet

  visualizer:
    image: dockersamples/visualizer:stable
    ports:
      - "8080:8080"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    deploy:
      placement:
        constraints: [node.role == manager]
    networks:
      - samplenet

networks:
  samplenet: