docker-compose.yml

# docker stack deploy -c docker-compose.yml menchStack --with-registry-auth

version: "3.7"
services:
  app:
    image: sirramin/mench:latest
    ports:
      - "3005:3005"
    deploy:
      replicas: 1
      placement:
        constraints: [node.role == manager]
    environment:
      - PORT=3005
      - REDIS_URL=redis://redis
      - REDIS_PORT=6379
      - MONGO_URL=mongodb://root:N9pCmSakkw2Nt227@mongo1,mongo2,mongo3/mench
    networks:
      - infra

  mongo1:
    image: bitnami/mongodb:4.2
    environment:
      - MONGODB_ADVERTISED_HOSTNAME=mongo1
      - MONGODB_REPLICA_SET_MODE=primary
      - MONGODB_REPLICA_SET_KEY=M9X6DDjmWnYbzJjH
      - MONGODB_ROOT_PASSWORD=N9pCmSakkw2Nt227
    ports:
      - "27017:27017"
    volumes:
      - mongodb:/bitnami
    networks:
      infra:
        aliases:
          - mongo1
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.labels.mongo.replica == 1

  mongo2:
    image: bitnami/mongodb:4.2
    environment:
      - MONGODB_ADVERTISED_HOSTNAME=mongo2
      - MONGODB_REPLICA_SET_MODE=secondary
      - MONGODB_PRIMARY_HOST=mongo1
      - MONGODB_REPLICA_SET_KEY=M9X6DDjmWnYbzJjH
      - MONGODB_PRIMARY_ROOT_PASSWORD=N9pCmSakkw2Nt227
#    ports:
#      - "27018:27018"
    networks:
      infra:
        aliases:
          - mongo2
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.labels.mongo.replica == 2

  mongo3:
    image: bitnami/mongodb:4.2
    environment:
      - MONGODB_ADVERTISED_HOSTNAME=mongo2
      - MONGODB_REPLICA_SET_MODE=secondary
      - MONGODB_PRIMARY_HOST=mongo1
      - MONGODB_REPLICA_SET_KEY=M9X6DDjmWnYbzJjH
      - MONGODB_PRIMARY_ROOT_PASSWORD=N9pCmSakkw2Nt227
#    ports:
#      - "27019:27019"
    networks:
      infra:
        aliases:
          - mongo3
    deploy:
      replicas: 1
      placement:
        constraints:
          - node.labels.mongo.replica == 3

  redis:
    image: redis:alpine
    ports:
      - "6379:6379"
    entrypoint: redis-server --appendonly yes
#    restart: always
#    volumes:
#      - /home/redis/data:/data
    deploy:
      placement:
        constraints: [node.role == manager]
    networks:
      - infra

networks:
  infra:
    driver: overlay
volumes:
  mongodb:
    driver: local