FROM debian:buster RUN \ apt-get update && \ apt-get install -y python3 python3-requests cron && \ apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* ADD files/main.py /main.py ADD files/crontab /etc/cron.d/assembly-cron RUN chmod 0644 /etc/cron.d/assembly-cron RUN crontab /etc/cron.d/assembly-cron CMD ["cron", "-f"]