Blog
Articles, tutorials and hands-on experiences in DevOps, Cloud, Kubernetes and Infrastructure.
Security • DevSecOps • eMudhra • SSL/TLS • HTTPS • Certificate Authority • PKI • Kubernetes • Docker • Linux
SSL/TLS Certificates Explained, and What the eMudhra CA Key Compromise Incident Means for You
A beginner-friendly guide to SSL/TLS certificates, how browsers verify HTTPS, and what really happened in the October 2026 eMudhra certificate authority key compromise, plus a clear fix checklist for Linux servers, containers, and Kubernetes.
Oct 21, 2026 • 14 min read
Kubernetes • DevOps • Docker • Django • React • PostgreSQL • Production
Deploying a Full-Stack Application on Kubernetes: A Complete Production Guide
From a single Docker container to a resilient, auto-scaling production system — deploying React, Django, PostgreSQL, and Redis on Kubernetes with real YAML, zero-downtime rollouts, automatic TLS, and autoscaling.
Sep 8, 2026 • 18 min read
WebArchitecture • Backend • Frontend • DNS • CDN • API • SystemDesign
How the Web Actually Works: A Developer's Mental Model of Modern Architecture
Most developers can build features but struggle to explain what actually happens between typing a URL and seeing a page. This post walks through the complete picture — DNS, CDN, frontend vs backend, APIs, reverse proxies, and how modern production systems are structured.
Aug 8, 2026 • 11 min read
DevOps • GitOps • Kubernetes • ArgoCD • K3s • GitHub Actions • Docker • CI/CD
From Code to Cluster: GitOps CI/CD with GitHub Actions, ArgoCD, and K3s
A complete step-by-step guide to deploying a real project using GitOps — GitHub Actions builds and scans a Docker image, ArgoCD watches a manifests repo, and K3s on two local VMs runs the workload. Every mistake included.
Jul 27, 2026 • 15 min read
DevSecOps • AI • OpenSource • Security • Node.js • React • Privacy
I Built a Privacy Layer for AI Coding Tools — CodeMask UI and CodeMask Proxy
How I built two open source tools to stop secrets from leaking to LLM APIs — a browser-based sanitizer for manual AI chats and a local proxy server for AI coding agents like Cline and Claude Code.
Jul 19, 2026 • 12 min read
Next.js • Vercel • Cloudflare • DevOps • Web Deployment
From GitHub to Production: Deploying a Next.js Portfolio with Vercel, Custom Domain, and Cloudflare
A complete step-by-step guide to deploying a Next.js portfolio with automated CI/CD, custom domain, Cloudflare CDN, HTTPS, HTTP/3, and bot protection.
Jul 10, 2026 • 8 min read
Zoho Mail • Cloudflare • DNS • Custom Domain • Email Setup • DevOps
How to Set Up a Free Custom Domain Email with Zoho Mail, Cloudflare, and Your Own Domain
A step-by-step guide to creating a professional email address like [email protected] using Zoho Mail’s free plan, Cloudflare DNS, and a custom domain.
Jun 22, 2026 • 10 min read