Multi-agent AI development system architecture diagram showing orchestrator managing specialized agents with MCP server providing centralized engineering standards

The 2,000-Line Prompt Problem: Building an AI Development Operating System

How a monolithic prompt file evolved into a production AI Development Operating System. Real architecture for multi-agent software development: MCP standards, orchestration patterns, and the phases that actually matter.

February 15, 2026 · Uttam Jaiswal
BitLocker encryption split key visualization showing user holding golden key connected to shield with lock symbol and Microsoft cloud, illustrating shared control and trust boundaries in disk encryption key management

BitLocker Didn't Fail. Trust Did.

BitLocker encryption didn’t fail—trust boundaries shifted. When recovery keys are escrowed by default, control becomes conditional. Linux LUKS, VeraCrypt alternatives, and key management strategies for conscious trust decisions.

January 26, 2026 · Uttam Jaiswal
Digital sovereignty visualization showing global network connections with India highlighted in orange glow representing sovereign infrastructure, while international data flow lines illustrate geopolitical dependencies in digital infrastructure

Digital Sovereignty: When Geopolitics Disrupts Your Infrastructure

When geopolitics enters the infrastructure layer, convenience without control becomes fragile. Real incidents, technical alternatives, and why sovereignty requires deliberate architecture.

January 25, 2026 · Uttam Jaiswal
Manufacturing SMB server room showing failed backup infrastructure timeline and ₹3 crore data recovery disaster in Raipur India

Manufacturing Backup Disaster: ₹3 Crore Lost, OSS Solution

A real wake-up call for every SMB: How Shakthi Auto Components in Raipur lost 5 years of production data in one power surge, the ₹3 crore impact, and the complete open source backup solution DevOps Den built for ₹1.5 lakhs/year

January 23, 2026 · Uttam Jaiswal
ArgoCD backup and disaster recovery architecture diagram showing etcd backup, GitOps state persistence, and high availability setup

ArgoCD Backup and Disaster Recovery: Never Lose GitOps State

From understanding where ArgoCD stores its configuration to implementing automated backups and high availability—a practitioner’s guide to making your GitOps control plane bulletproof

January 20, 2026 · Uttam Jaiswal
Sun's path showing Winter Solstice and Makara Sankranti with sidereal zodiac

Does Uttarayana Really Begin on Makara Sankranti?

The Winter Solstice happens in December, but Makara Sankranti falls in January. This explores the fascinating astronomy, calendar systems, and tradition that explain why both are correct—and why they continue to drift apart.

January 17, 2026 · Uttam Jaiswal
GitLab migration journey from SaaS cloud to secure self-hosted infrastructure with OIDC/SAML authentication

GitLab Migration Guide: SaaS to Self-Hosted in 5 Weeks

How Team Mavericks at DevOps Den migrated 100+ GitLab projects behind the corporate firewall—complete with the challenges faced, lessons learned, and production-ready automation scripts that got them across the finish line

January 17, 2026 · Uttam Jaiswal
ArgoCD orchestrating multi-cluster GitOps deployments across E2E, DigitalOcean, and AWS

ArgoCD Multi-Cluster GitOps: From Install to Production

A practitioner’s guide to production-grade GitOps, automation, and Kubernetes migrations—from first install to managing 50+ applications across E2E, DigitalOcean, and AWS EKS clusters

January 15, 2026 · Uttam Jaiswal
HashiCorp Vault securing Kubernetes secrets with multi-cluster architecture

Vault Kubernetes Secrets: HA Raft Multi-Cluster Journey

A real-world journey with HashiCorp Vault, HA Raft, and multi-cluster secret injection, built from production lessons, not lab demos.

January 14, 2026 · Uttam Jaiswal
Form submission flowing through a pipeline to email notifications

Email Notifications for Cloudflare D1 Forms

You built a comments system. Users are submitting feedback. But you only find out when you remember to check the D1 console. By then, someone has been waiting days for a response. This post covers three approaches to getting notified when form submissions arrive: instant emails, daily digests, and webhook-based notifications. Each has trade-offs in complexity, cost, and flexibility. The Problem The comments system from my previous post stores submissions in Cloudflare D1. Moderation happens manually via SQL queries in the D1 console. This works, but it requires actively checking for new submissions. ...

January 11, 2026 · Uttam Jaiswal