Temporary

docker-compose.yml

version: "3"
services:
  web:
    image: YOUR_DOCKER_ID/pyapp:latest
    deploy:
      replicas: 2
    ports:
      - "80:80"
    networks:
      - webnet
  redis:
    image: redis
    ports:
      - "6379:6379"
    volumes:
      - "/home/ubuntu/data:/data"
    deploy:
      placement:
        constraints: [node.role == manager]
    command: redis-server --appendonly yes
    networks:
      - webnet
networks:
  webnet: