From On-Prem Bare Metal to EKS: A Real Migration Journey (Design, Pitfalls, and Lessons)

1. Introduction: Why Move from Bare Metal to EKS Angle: “We’re not just moving pods; we’re moving an entire ecosystem: networking, storage, security, observability, and people.” 2. Current State Assessment (On-Prem Cluster) Explain that any good migration starts with brutally honest discovery. Cover: Pitfall to highlight: “Most teams underestimate the number of ‘hidden’ dependencies: hard‑coded … Read more

Kubernetes Deployment Strategies: A Complete Guide for Production-Grade Releases

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

Kubernetes Upgrades — How Not to Mess It Up

A real-world guide for DevOps engineers who want zero-downtime upgrades and zero post-mortems The Story That Started This Guide The alert came in at 9:47 PM. “API server unreachable.” The on-call engineer opened his laptop to find that the cluster upgrade — which was “just a version bump from 1.27 to 1.28” — had gone completely sideways. The … Read more