DevOps & Cloud

If you use Docker Compose, you probably write things like: Continue reading on Medium »

How to remove the hardcoded ISSUER constant from your Hono OIDC server so it works correctly on localhost, staging, and production without any code changes.

The Solana mainnet deploy came in at $141. For a demo project. I stopped, recalculated, and stared at...

Veritabanı değişiklik yönetimi, yazılım geliştirme dünyasında yıllar içinde olgunlaşmış bir alan. Ama olgunlaşmak, doğru anlaşıldığı… Continue reading on Medium

Slurm is designed to make efficient use of cluster resources. But in practice, a few common mistakes...

*A real story from deploying my first production server on Oracle Cloud Free Tier* Continue reading on Medium »

What's the worst that could happen to your Linux server data? A hardware failure, a cyberattack, or a...

Building a Philosophy-to-Multiplatform Auto-Deploy Pipeline with Obsidian, Docker, n8n, and...

Many EKS teams start with broad IAM permissions “just to make it work.” This hands-on guide shows how to implement tag-based ABAC with Pod… Continue reading on

Why DNS is a hidden dependency in every system — and how it quietly shapes reliability, failover, and outages Continue reading on Medium »

Originally published on TechSaaS Cloud Originally published on TechSaaS Cloud ...

There’s a very specific kind of frustration every developer runs into at some point. Continue reading on Medium »

 Catch Up on Previous Days Continue reading on Medium »

I didn’t want to build another “AI for Ops” demo. Continue reading on Medium »

I didn’t want to build another “AI for Ops” demo. Continue reading on Medium »

If your 2026 microservice takes more than 500 milliseconds to start, you aren’t running a cloud-native application. You are running a… Continue reading on Mediu

Real-Time Scenario: You have a high-traffic e-commerce order API and a PostgreSQL database. A user submits an order. The API container… Continue reading on Medi

Why Your AI-Built App Stops Working at Real Scale You shipped something in Lovable or Bolt that actually works. Users are signing up. Data is flowing. Then you

I built an MCP server for 27 government registries, and the first thing I learned was that the...

THE PROBLEM THESE TOOLS SOLVE Continue reading on Medium »

Spot instances are 80% cheaper, but AWS kills them with a 2-minute warning. If you are running...

If there’s one system in modern infrastructure that quietly powers everything, it’s DNS. Continue reading on Medium »

Renaming files in Linux is done using the mv (move) or rename command. The system treats renaming as moving a file to a new name in the… Continue reading on Med

Modern DevOps teams don’t fail because of bad code — they fail because they can’t see what’s happening in their systems. Continue reading on Medium »

Your application code is in Git, and you’ve adopted GitOps principles, so you can recreate it anywhere, anytime, right? Continue reading on Medium »

Capa-Java After One Year: When "Write Once" Became "Configure Once Everywhere" Honestly, I never thought I'd be writing this article. When I first discovered Ca

Part 2 of my AWS DevOps Agent series. In Part 1, I set up the agent to monitor a Confluent Kafka cluster on EKS. This time, I’m sharing… Continue reading on AWS

On Day 1, we created our first EC2 instance using Terraform. But here’s something critical you’ll face in real DevOps environments: Continue reading on Medium »

Running your own Gitea without backup can be very risky. Continue reading on Medium »

When I started this project, I thought it would be a straightforward deployment. Continue reading on Medium »

When I started this project, I thought it would be a straightforward deployment. It wasn’t. From...

When you’re migrating a large-scale data platform from one Terraform state to another, the natural instinct is to do what Terraform is… Continue reading on Medi

When one agent delivers 50 PRs a day, human review structurally ceases to exist. Here’s the architecture that replaces it. Continue reading on Medium »

How I Built a Batch MCP Helper to Save My Sanity: The Brutal Truth About Tool Orchestration Honestly, I was drowning. One afternoon, I found myself staring at 1

Introduction In this project, I deployed a secure and highly available web application on AWS using industry-standard tools and best… Continue reading on Medium

Sometimes the best security improvement does not come from adding a new product, but from changing how data flows. Continue reading on DataDrivenInvestor »

Day 26 of the 30 Day Terraform Challenge pushed me from static infrastructure into dynamic compute. Continue reading on Medium »

From Deployment to Visibility: Observability in Action 🚀 As part of my 30 Days of AWS...

How to Fix Kubernetes CrashLoopBackOff (Real Commands) If you're dealing with Kubernetes...

Why your “enterprise-grade” infrastructure is killing your startup’s velocity. Continue reading on Medium »

Why your “enterprise-grade” infrastructure is killing your startup’s velocity. Continue reading on Medium »

Why your “enterprise-grade” infrastructure is killing your startup’s velocity. Continue reading on Medium »

Real-Time Scenario: You’ve dockerized your Node.js application, and it needs to connect to a PostgreSQL database. You need the database… Continue reading on Med

Test otomasyonunda yazılı olmayan bir kural vardır: “Son kullanıcı sistemi nasıl kullanıyorsa, testin de öyle davranmalıdır.” Bu kural… Continue reading on Medi

Now that we have our foundation solid, it’s time to deploy the actual Kubernetes cluster. In this part, we’ll be provisioning the Amazon… Continue reading on Me

A beginner-friendly guide to images, containers, volumes, ports, Compose, and the small set of concepts that actually matter Continue reading on Stackademic »

If you manage CI/CD for a real project, you know the dance: a commit lands, you pop open GitHub, wait for the Actions tab to finish… Continue reading on Diatom

These are called the observability stack. These four tools cover the three pillars of observability: metrics, traces, and logs. Here’s how… Continue reading on