version: '3'

services:
  web:
    build: ./
    image: saravaju/exercise4:1.2
    ports:
      - "5000:5000"
    deploy:
      replicas: 5
      placement:
        constraints: [node.role == worker]
    networks:
      - webnet
  visualizer:
    image: dockersamples/visualizer:stable
    ports:
      - "8080:8080"
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
    deploy:
      placement:
        constraints: [node.role == manager]
    networks:
      - webnet
networks:
  webnet: