docker_compose.yml

version: '3.5'
services:
  mdbS1:
    image: mongo:latest
    command: mongod --replSet mdb_repSet
    deploy:
      placement:
        constraints:
          - "node.hostname == worker01"
    networks:
      -  traefik
    volumes:
      - mongodb_datav1:/data/db
      - mongodb_configv1:/data/configdb
    networks:
      - mdbnw

  mdbS2:
    image: mongo:latest
    command: mongod --replSet mdb_repSet
    deploy:
      placement:
        constraints:
          - "node.hostname == worker01"
    networks:
      -  traefik
    #ports:
    #  - "27017:27017"
    volumes:
      - mongodb_datav2:/data/db
      - mongodb_configv2:/data/configdb
    networks:
      - mdbnw

  mdbS3:
    image: mongo:latest
    command: mongod --replSet mdb_repSet
    deploy:
      placement:
        constraints:
          - "node.hostname == worker01"
    networks:
      -  traefik
    #ports:
    #  - "27017:27017"
    volumes:
      - mongodb_datav3:/data/db
      - mongodb_configv3:/data/configdb
    networks:
      - mdbnw

volumes:
  mongodb_datav1:
  mongodb_configv1:
  mongodb_datav2:
  mongodb_configv2:
  mongodb_datav3:
  mongodb_configv3:

networks:
  mdbnw:
    name: mdbnw