DevOps

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

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

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

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

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.