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This is the first guest article in this blog. This is one is by Maksym Vlasov - my co-author of the CatOps channel. Pre-history As you may know, Terraform 1.4.0 has introduced changes, which break the previous unintentional behavior. Previously, you could ignore the lockfile and use cached providers as long as the version constraints in the code were okay with your local cache. Starting from 1.4.0, Terraform always checks the lockfile before going into your cache directory....

Annual Kubernetes Survey by CatOps It is the second time I run this survey. You can find the previous year’s results here. You can find the raw data in the Google Sheets. You can also read this article on Substack. Introduction This year, I ran this survey for two months: from the 14th of March to the 18th of May, and gathered 122 responses in total. Yet, I must admit that I only promoted this survey for a month....

Building a CLI application in Go: Part 0 Intro I have written a tiny CLI app that can update the storage class of objects in an AWS S3 Bucket. To be completely honest, this tool is rather useless in the wild. You can achieve the same results natively with AWS S3 Lifecycle policies. However, this app is my opportunity to talk about writing CLI applications in Go as well as speculate about pet projects in general....

Kubernetes Survey Results Not so long ago, I created a survey to understand how people manage their Kubernetes clusters. I got more than a hundred responses from Telegram, Reddit, Twitter, and DOU, 102 to be precise. Now, I am ready to share it with you! You can find all the raw data via this link. This text is also available in Ukrainian. A backstory (skippable content) After, I wrote the article about Kubernetes backups - Why backup Kubernetes?...

This is the second part of a series of articles regarding Kubernetes backups. You can find the first part about Velero tool here. Why Backup Kubernetes? In the previous part I provided a brief overview of the backup & restore tool for Kubernetes called Velero. Now, I would like to talk, why backup your cluster at all? What makes a cluster? A typical production cluster has a three-layer structure. There are Kubernetes components themselves....