DevOps & Cloud

Real-Time Scenario: Your high-traffic order API is critical to revenue. Your docker-compose.yml runs 10 replicas of this API container… Continue reading on Medi

How I learned Kubernetes fundamentals by breaking things, fixing them, and running everything locally with kind Continue reading on Medium »

If you wanna get into the terminal world, chances are you’ll need a Linux environment. But installing Linux directly on your laptop can… Continue reading on Med

Why most alerting systems fail in practice — and how to design them for real response, not noise Continue reading on Medium »

Yelp has completed a large-scale upgrade of its Apache Cassandra infrastructure, spanning more than 1,000 nodes, without any service downtime, offering a bluepr

Learn Docker step-by-step with real examples. Build images, run containers, understand networking & volumes, and deploy a multi-container… Continue reading on M

If you want to pass the CLF-C02, you don’t need to build complex architectures yet. You just need to survive the vocabulary test. Continue reading on CodeToDepl

An article covering Docker image creation, the diff command, and writing your first Dockerfile. Continue reading on Medium »

A practical guide to overcoming real-world performance testing challenges, including bottlenecks, flaky results, environment issues, and… Continue reading on Me

Four practice exams in two days. Two passes, two fails. Here is the four-exam trend, the persistent gaps, and exactly what I did about… Continue reading on Medi

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

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

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

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

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 »

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 »

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

THE PROBLEM THESE TOOLS SOLVE Continue reading on Medium »

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 »

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 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 »

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 »

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

(It’s probably not what you think…) Continue reading on Medium »

If you’ve spent any time in Electronic City, you know that the “Silicon Valley of India” never sleeps. The tech stack that was “hot” two… Continue reading on Me

The Go Template Engine Is What Turns a Good Chart Into a Great One. Here’s How to Use It Properly. Continue reading on Medium »

Everyone defaults to Kubernetes. Here’s why we didn’t, and what we learned. Continue reading on Medium »

Real-Time Scenario: You’ve dockerized your Node.js application. Your Dockerfile is clean, optimized, and scanned (thanks to Days 11 and… Continue reading on Med