How to run a cron job inside a docker container

Question

Hii,

How to run a cron job inside a docker container?

My container have only cron.daily and cron.weekly file and  crontab,cron.d, cron.hourly are absent in my container

My container runs with /bin/bash.Any help?

Answer 1

Hii,

crond works well with tiny on Alpine

RUN apk add --no-cache tini

ENTRYPOINT ["/sbin/tini", "--"]
CMD ["/usr/sbin/crond", "-f"]

but should not be run as container main process (PID 1) because of zombie reaping problem and issues with signal handling.

Thank You!