CatOps Digest 2025-04-27
What was on CatOps...
It’s been a while since I’ve written a newsletter, but hey! A person can have some time off.
On the bright side, this digest is rather long!
Charity
We helped the Dzyga’s Paw charity foundation to raise money for the drones with night vision capabilities! They have other projects, which you could support.
The UA Responders Foundation continuously raises funds for tactical medicine and other medical needs for the defenders of Ukraine.
Voice Chat
Finally! I’ve released a new episode of our voice chat (in Ukrainian) about AI. You can find the episode on YouTube:
And also on:
or via a direct RSS link
Digest
Lurking Variables - an essay on contributing factors for incidents. Things that contribute to incidents in non-obvious ways.
Beyond “5 Whys”: A Better Way to Learn from Incidents - how open-ended questions help investigate incidents better than simple “why’s”.
helm-docs - a tool to generate README based on the Helm values.
Architecture Diagramming Tools - a collection of tools and services to create diagrams.
Drawing your Kubernetes cluster the right way, how to present the cluster without scaring people - in continuation of the diagramming topic, a good talk at FOSDEM 2023 about diagrams.
Patching pydantic settings in pytest - how to patch pydantic validations in tests.
The State of IaC 2025 - a report from Firefly that you can get in exchange for your personal data.
Pre-commit Git Hooks talk - a talk by Maksym Vlasov (in Ukrainai) about pre-commit hooks in Git.
Practical Notes in Change Data Capture with Debezium and Postgres - Debezium is a popular tool to do the change-data-capture pattern. This article covers some practical caveats of its usage.
Apache Iceberg™ | What It Is and Why Everyone’s Talking About It - a video-explainer by Confluent on the Apache Iceberg standard.
Kubecon impressions post by a member of our CatOps community.
How to Build an Agent - a guide on how to build an LLM agent in Go.
That’s all for today! I cannot guarantee that I’ll post a lot on the Telegram channel this week as well, but I can share with you a photo of the mountains!
