Run CRON into container (moved)

entry.sh

#!/bin/sh
/usr/sbin/crond -f -l 8

Dockerfile

FROM python:3.6-alpine
ADD . /
RUN pip install -r /requirements.txt
RUN chmod 755 /code.py /entry.sh
RUN /usr/bin/crontab /crontab.txt
CMD ["/entry.sh"]

Crontab.txt

0 */4 * * * python -u /code.py >> /var/log/script.log