compose.yml
```yml
services:
  cron:
    build:
      dockerfile_inline: |
        FROM alpine
        RUN apk add --no-cache openssh        
    volumes: [$HOME/.ssh:/root/.ssh]
    network_mode: host
    entrypoint: ssh $USER@localhost
    stop_grace_period: 0s
    restart: unless-stopped
    command:
      - |
        cd /Users/w/dock/public/radiology.yauk.tv
        /Users/w/.venv/bin/python main.py
        tail -f /dev/null
```