back up Docker volumes feature image

Backup Docker volumes (and restore them) – done right

This article explains how to use “tar” correctly, to backup Docker volumes and restore them. I explain why two top-ranked tutorials are not doing a good job, by taking them apart. Finally, I give hints for creating backups of Docker volumes in production. Introduction Making a local backup of a Docker volume and restoring it … Read more

Terraform broken drift detection feature

Broken drift detection with Terraform

When the resources of a Terraform provider (e.g. Azure) define “computed” optional attributes, these are not properly covered by Terraform’s drift detection. As I will demonstrate, this can lead to non-reproducible infrastructure. I also experiment with Terraform’s behavior, depending on what you declare in your configuration file, the content of your state file, and the … Read more