"Your GitOps Hub Will Become the Bottleneck Long Before Cluster Count Tells You"
Your GitOps Hub Will Become the Bottleneck Long Before Cluster Count Tells You GitOps hub bottlenecks are usually predicted more accurately by watched…
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Testing CAST AI on GKE: A Hands-On Kubernetes Workload Optimization Lab
Kubernetes makes it easy to define CPU and memory requests for our applications. But there is a problem: How do we know whether those resource request…
Building an On-Premise Kubernetes Cluster — Part 1: Preparing the Environment
🇧🇷 Leia a versão em português aqui This is the first part of a series where I'll share, step by step, how I built my own on-premise Kubernetes cluster…
Foreman 101: agentic coding as Kubernetes resources
Foreman is an agentic coder that runs as Kubernetes resources. You describe work as a Workload, it decomposes into tasks, agents running on your nodes…
Your cron job fires on the wrong day
A team ports a job from a Quartz scheduler to a Unix crontab. The Quartz trigger ran Monday through Friday — day-of-week field 2-6 , because Quartz nu…
Как мы тестируем Kubernetes‑операторы в MWS Cloud Platform
Сегодня Kubernetes стал де-факто стандартом для развёртывания SaaS-приложений и сервисов. Практически каждый разработчик работает с ним ежедневно, но …
Пентест через GitLab. От раннера до контроля над облаком
Казалось бы, учетная запись в GitLab — не самая удачная стартовая точка для инфраструктурного пентеста. Ни VPN в корпоративную сеть, ни доменного акка…
The rollback endpoint took a deployment ID and did nothing with it
This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry . Project Overview Staxa is a multi-tenant deployment platform I a…
From Commit to Amazon EKS: Building a GitOps Pipeline with Argo CD
Deploying an application to Kubernetes is easy to demonstrate with one command: kubectl apply -f . The harder question is what happens after the first…
Building TNP: Why I Built an Enterprise-Realistic DevOps Lab (Part 0)
🧭 This is Part 0 of a 10-part series documenting a self-built, enterprise-realistic DevOps lab — modeled after a fictional fintech company, not a pile…
Run Kubernetes in Docker on Ubuntu for Local Development
There's a delightfully literal answer to "Kubernetes with Docker": kind — Kubernetes IN Docker. Each node is a Docker container running a full Kuberne…
Deploying Gateway API with TLS Encryption on Kubernetes
The Kubernetes Gateway API is the successor to Ingress, a more expressive, role-oriented resource model ( GatewayClass , Gateway , HTTPRoute ) for adv…
Debugging a Broken Ingress Setup: A Step-by-Step Walkthrough
This post documents a real debugging session that started with a simple symptom — example.com wouldn't load — and ended up uncovering several separate…
Local Kubernetes Dev — Part 2: Production-like environments — what and why
"But I've got a docker-compose.yaml, it spins up my service with a database — why would I run Kubernetes locally?" This is the most common beginner mi…
I Deployed a Purple Team Inside My Kubernetes Cluster. The Scanners Never Saw It Coming.
Three security scanners gave my cluster a clean bill of health. Then I deployed an attacker into a DaemonSet and discovered what static analysis actua…
Getting Real Numbers Into the VPA Model: The Commands and Tools
The companion post to this one, "What the VPA Recommender Is Actually Computing," walks through the decay-weighted percentile math, the OOM bump, and …
Автотестирование кастомного K8s CNI: как правильно входить в ха… то есть поду
Представьте, однажды вы приходите в новую компанию на позицию Automation QA и перед вами возникает задача: на пустом поле проекта посеять зерна автоте…
Hugging Face Breached Through a Malicious Dataset: What the Patches Reveal
On July 16, Hugging Face disclosed a compromise affecting part of its production infrastructure. The initial entry point was a malicious dataset, whil…
Webhooks don’t care that your laptop is offline
Local development environments and webhook senders operate on completely different schedules. Your application runs when you need it. It may stop when…
Horchestra: когда Kubernetes нельзя, а Ansible становится второй кодовой базой
Последние несколько лет я занимаюсь разработкой enterprise-продуктов. И относительно недавно понял одну вещь. Самая сложная часть проекта — вовсе не р…
Falco on Kubernetes: Runtime Security with eBPF
Originally published on DevToolHub . Most Kubernetes security tools scan for misconfigurations — pods running as root, missing network policies, RBAC …
Secure Kubernetes Dashboard with Cloudflare Zero Trust Tunnel
Originally published on kuryzhev.cloud We found our Kubernetes Dashboard sitting on a NodePort, reachable from the internet, during a routine Shodan s…
Architecting Kubernetes Deployments with Python
Python is an excellent language for automating cloud infrastructure, but the official Kubernetes Python client leaves developers with an important arc…
After the ingress-NGINX retirement, what your migration plan owes production
The status of the controller As of March 2026, the Kubernetes SIG Network stopped maintaining ingress-nginx. That is the controller a lot of clusters …
CI/CD Pipelines That Actually Work: My Quest Like a DevOps Jedi
The Quest Begins (The "Why") Look, I still remember the first time I tried to automate a build for a tiny side‑project. I slapped together a shell scr…
The Pod That Lied: A Kubernetes Readiness Probe War Story
Last time I told you to bring coffee. I did. This one didn't start at 2 a.m. — it started at 10:40 on a perfectly ordinary Tuesday, which, if anything…
Blue/Green Release Emails for Kubernetes Ops
Blue/green rollouts look clean on diagrams, but the handoff can still be messy in real operations. Pods go healthy, the service flips, and everyone as…
Kubernetes Release Emails as a CI/CD Gate
Most teams validate pods, probes, and rollout status, but skip the email that tells humans a release actually happened. In cloud work, that message is…
Cloud-Native Security Practices for Developers: Containers, Kubernetes, and CI/CD (2026)
Cloud-native security practices in 2026 cover a substantially different attack surface than the web/cloud security disciplines that dominated through …
kubernetes upgrades needed rollback more than another checklist
AWS announced EKS Version Rollback this week, and I think it is one of those features that will sound boring to anyone who has never owned a Kubernete…