docker-compose-step1.yml

version: '3.8'

services:
  redis:
    image: redis:7-alpine
    ports:
      - mode: host
        published: 6379
        target: 6379
    deploy:
      mode: global
      restart_policy:
        condition: on-failure
    logging:
      driver: json-file
      options:
        max-size: "100k"
        max-file: "1"

  cron:
    image: conf42-demo:latest
    deploy:
      mode: global
      restart_policy:
        condition: on-failure
    environment:
      - CONTAINER_ROLE=cron_1
      - REDIS_HOST=redis
    volumes:
      - .:/app
    logging:
      driver: json-file
      options:
        max-size: "100k"
        max-file: "1"

  worker:
    image: conf42-demo:latest
    deploy:
      mode: replicated
      replicas: 1
      restart_policy:
        condition: on-failure
    environment:
      - CONTAINER_ROLE=worker_1
      - REDIS_HOST=redis
    volumes:
      - .:/app
    logging:
      driver: json-file
      options:
        max-size: "100k"
        max-file: "1"