Introduction Deploying a new version of your application in Kubernetes isn’t just kubectl apply -f. How you deploy matters as much as what you deploy. The wrong strategy can cause downtime for thousands of users. The right one can make a risky release feel invisible. With 82% of container users running Kubernetes in production, mastering deployment strategies isn’t optional — … Read more
Table of Contents 01 — What is Kubernetes & Why AWS EKS? Kubernetes (K8s) is an open-source container orchestration platform that automates deployment, scaling, and management of containerized applications. Originally built by Google in 2014, it is now used by almost every major tech company in production environments. Amazon EKS (Elastic Kubernetes Service) is AWS’s fully … Read more
You ran kubectl apply, your terminal said “pod created,” but the app is still down. Sound familiar? I’ve been there. 2 AM. Production alert firing. Pod shows Running but requests are failing. No obvious errors. That’s when I realized — I didn’t actually understand the Pod lifecycle. I just knew enough to deploy things and pray. Once I … Read more
😅 The Night Kubernetes Just… Froze Let me tell you something that still stays with me. It wasn’t one of those loud production outages where everything turns red and alarms go crazy. It was worse. Things just quietly stopped working. We had pushed a deployment, everything in CI/CD was green, configurations looked perfect, and nothing … Read more
Introduction — Why run Jenkins on Kubernetes? If you’ve been running Jenkins on a VM or a single server, you know the pain when that server goes down: builds stop, history disappears, and everyone looks at you. Running Jenkins on Kubernetes gives you the flexibility to manage lifecycle, scale agents, and treat Jenkins as another … Read more
DevOps isn’t just a buzzword—it’s a culture and set of practices that bring development and operations teams together for faster, more reliable software delivery. With dozens of tools available, knowing which tool fits where in the DevOps lifecycle is critical. Let’s explore each phase in the DevOps pipeline with the most popular tools you can … Read more
In the fast-paced world of DevOps, optimizing Docker images is crucial for ensuring efficient, secure, and rapid deployments. Bloated images can lead to longer build times, increased attack surfaces, and unnecessary resource consumption. Here’s a comprehensive guide to refining your Docker images, making them leaner and more secure. 1. 🏗️ Utilize Multi-Stage Builds Multi-stage builds … Read more
In modern DevOps environments, Docker is everywhere — but knowing basic commands isn’t enough. Real-world usage requires smart troubleshooting, optimization, and deployment strategies. Below is a curated list of Docker scenario-based questions with real-life examples, tailored for interviews and hands-on engineering 🚀 🛑 1. Port Conflict in Containers ✅ Solution: 🔍 Real-Life Example:During a production … Read more
Managing modern, distributed applications is no small feat. Ensuring they remain reliable, scalable, and fault-tolerant demands advanced orchestration. That’s where Kubernetes (K8s) shines 🌟 — an open-source container orchestration platform that automates deployment, scaling, and operations of application containers. Let’s break down the core components of Kubernetes, so you can understand what powers the cloud-native … Read more
Kubernetes has become the gold standard in container orchestration — but with great power comes great complexity! 😅 Whether you’re just starting your journey or polishing your cluster game, this guide breaks down everything you need to know to thrive in the world of K8s. 📌 Why Kubernetes is Essential Kubernetes, originally created by Google … Read more