docker-cron
Linux cron running inside a container, with a few utilities made available on top (jq, curl).
How to use
docker run --name some \
-v $(pwd):/cron/ \
wanderadock/docker-cron start-cron --user www-data \
"\* \* \* \* \* /bin/bash -c '/cron/your_command.sh' >> /var/log/cron.log 2>&1"