Thanks for the comment foxhop! We try to keep things as simple as possible where we can.
This project came out of the need from our content team needing to publish content late at night and when people are out of office =)
Check out the code https://github.com/serverless/post-scheduler/blob/master/han... this serverless service is just 2 functions that get deployed. It's a set it and forget it service =)