Rotating Backups with Kubernetes

Recently I wrote a blog post on how to execute scheduled backups using Kubernetes CronJobs. In that post I showed how easily one could dump backup files to an S3 bucket on a schedule using some trivially simple containers, but the astute among you will have noticed that I didn’t touch on the topic of backup rotation…

Backup rotation is the process of removing old or extraneous backups to make the best of your available storage space and in this post I’ll go over the approach I use to keep track of the backups that are important to us.

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