Setting Up a Kubernetes Cluster for Go Applications: A Complete Step-by-Step Guide

Setting Up a Kubernetes Cluster for Go Applications: A Complete Step-by-Step Guide

Why Go and Kubernetes Are Like Peanut Butter and Jelly If you’ve been living under a rock (or just really focused on shipping code), you might not realize that Go and Kubernetes were practically made for each other. Go’s blazing-fast compilation, small binary sizes, and goroutine-based concurrency model make it absolutely perfect for microservices. Kubernetes, on the other hand, is basically the conductor of your containerized orchestra. Together? They’re unstoppable. But here’s the thing: deploying a Go application to Kubernetes isn’t some mystical dark art that only DevOps wizards understand....

October 30, 2025 · 8 min · 1591 words · Maxim Zhirnov
The Overengineering Epidemic: When Simple Solutions are Better

The Overengineering Epidemic: When Simple Solutions are Better

The Bridge We Don’t Need Picture this: You’re sitting in a startup meeting. Three engineers. Two weeks of runway left. The product isn’t validated yet. And someone—there’s always someone—says: “We should probably set up a microservices architecture with Kubernetes orchestration, implement a message queue, add a service mesh, and design it for 100 million concurrent users.” Your gut tells you something is wrong. You’re right. This is the overengineering epidemic, and it’s killing more products than it’s saving....

October 30, 2025 · 11 min · 2330 words · Maxim Zhirnov
Developing Apache Spark Extensions in Scala: Building Custom Superpowers for Your Data Engine

Developing Apache Spark Extensions in Scala: Building Custom Superpowers for Your Data Engine

If you’ve ever found yourself staring at Apache Spark thinking “this is amazing, but I wish I could just add a little something extra here,” then you’re in for a treat. Today, we’re diving deep into the art of building Spark extensions in Scala—essentially crafting custom superpowers for your data processing engine. Whether you’re optimizing for specific use cases, integrating with proprietary systems, or just building the next big data unicorn, extensions are your secret weapon....

October 29, 2025 · 8 min · 1533 words · Maxim Zhirnov
The Paradox of AI Code Reviews: When Helpful Feedback Becomes a Toxic Pressure Cooker

The Paradox of AI Code Reviews: When Helpful Feedback Becomes a Toxic Pressure Cooker

The Illusion of the Helpful Robot Reviewer You know that feeling when someone tells you your code is bad, but in the most professional way possible? Like receiving criticism from a robot dressed in business casual—all neutral tone, zero judgment, maximum sting. Welcome to the world of AI-powered code reviews, where we’ve somehow managed to make feedback simultaneously less emotionally taxing and infinitely more pressurizing. It’s the software development equivalent of discovering that your workout buddy is now a relentless AI overlord who never gets tired....

October 29, 2025 · 11 min · 2218 words · Maxim Zhirnov
Building a Customer Churn Prediction System with XGBoost: From Zero to Production

Building a Customer Churn Prediction System with XGBoost: From Zero to Production

You know that sinking feeling when you realize your favorite customer just walked out the door? Turns out, there’s a way to see them leaving before they pack their bags. Welcome to the wonderful world of churn prediction, where data science meets business survival instincts. In this deep dive, I’ll take you through building a robust customer churn prediction system using XGBoost. We’re not just talking theory here—this is the practical stuff that actually works in production....

October 28, 2025 · 8 min · 1561 words · Maxim Zhirnov