#HighAvailability

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

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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

The Ultimate Guide: Kubernetes Cluster on AWS — From Zero to Production

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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

☁️ When the Cloud Stumbles: Deep Dive into the October 2025 AWS Outage — Real Impact, Root Cause, and How to Build for Resilience

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🚨 The Outage That Shook the Cloud Even the most reliable systems can stumble. On October 19–20, 2025, Amazon Web Services—arguably the backbone of the modern internet—experienced a widespread outage in its us-east-1 region.It began quietly: a few elevated error rates on DNS resolution and control-plane requests. Within minutes, that subtle tremor rippled outward, toppling … Read more