version: "3.3"
services:
  
  portainer:
    image: portainer/portainer
    ports:
      - 9000:9000
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
      - "portainerdata:/data"
    networks:
      - frontend  
    deploy:
      placement:
        constraints: [node.role == manager]

  ms1:
    image: melvindave/spring-boot-example
    ports: 
      - "8080:8080"
    networks:
      - backend
    depends_on: 
      - mongodb
    deploy:
      replicas: 5

  mongodb:
    image: mongo
    ports: 
      - "27017:27017"
    volumes:
      - "mongodata:/data/db"
    networks:
      - backend  
    deploy:
      replicas: 1 

  nginx:
    image: nginx
    ports:
      - "8082:80"
    networks:
      - frontend      
    deploy:
      replicas: 1 

  traefik:
    image: traefik
    command: --web \
      --docker \
      --docker.swarmmode \
      --docker.watch \
      --logLevel=DEBUG
    networks:
      - backend
    ports:
      - "80:80"
      - "8081:8080"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /dev/null:/traefik.toml
    deploy:
      placement:
        constraints: [node.role==manager]            

networks:
  frontend:
  backend:

volumes:
   mongodata:
   portainerdata:
   nginxdata: