Kubernetes In-Place Pod Resize

About six years ago, while operating a large Java-based platform in Kubernetes, I noticed a recurring problem: our services required significantly higher CPU and memory during application startup. Heavy use of Spring Beans and AutoConfiguration forced us to set inflated resource requests and limits just to survive bootstrap, even though those resources were mostly unused afterwards. This workaround never felt right. As an engineer, I wanted a solution that reflected the actual lifecycle of an application rather than its worst moment. ...

Contributing to Open Source: Why It Matters and How to Start

Whether you’re curious about open source or wondering how to make a meaningful impact, this post guides you through the process. You’ll learn why contributing is important, discover the different ways to get involved, and find practical steps to take your first contribution. ...

18 December 2025 5 min

kubectl-find - UNIX-find-like plugin to find resources and perform action on them

Recently, I have developed a plugin for kubectl inspired by UNIX find utility to find and perform action on resources. And few days ago number of stars in the repo reached 50! I think it’s a good moment to tell more about the project. ...

ChatGPT: oauth2-proxy protecting services in k8s

OAuth2-proxy: protect services in kubernetes

The original post wrote about oauth2-proxy over seven years ago was quite popular at the time and attracted a lot of organic traffic to my blog, which still benefits my SEO today. Since the tutorial had become outdated, I decided to rewrite it. ...

Remote LAN access with WireGuard and Mikrotik

Recently I have configured out how to access my home and cloud network remotely using WireGuard and Mikrotik Hex S router. With this step-by-step tutorial I will show you (and perhaps my future self) how to do it. ...