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Terraform State Isolation by Environment: How We Stopped One Change from Hitting Prod
A practical Terraform state isolation guide built from a real environment-mixing incident, with patterns for safer backends, clearer ownership, and lower blast radius.
Prompt Versioning and Regression Testing: How Teams Avoid Silent AI Regressions
A real-world guide to prompt versioning and regression testing for production AI features, focused on preventing the subtle changes that hurt quality long before anyone notices.
Systemd Service Reliability Patterns: What We Changed After Repeated Restart Loops
A practical systemd reliability guide for Linux services, built around repeated restart-loop incidents and the unit-file patterns that finally made those services boring.
Blue-Green Deployment Guardrails in Kubernetes: Lessons from a Failed Friday Rollout
A Kubernetes blue-green deployment guide built around a real rollout failure, showing the guardrails that matter when traffic shifting, health checks, and rollback timing all interact.
Cloud Disaster Recovery Runbook Design: How Small Teams Rehearse Multi-Region Failover
A practical disaster recovery runbook guide for small cloud teams that need realistic failover steps, clear ownership, and repeatable rehearsals instead of shelfware documents.
RAG Evaluation: Split Retrieval From Generation, or You're Debugging by Vibe
A single quality score multiplies two failure modes together and hands you a number you can't factor back apart. Split it, and a regression tells you which half of the pipeline broke.
Infrastructure Documentation as Code: How One Platform Team Reduced Audit Fire Drills
This infrastructure documentation as code guide shows how a platform team moved runbooks, ownership maps, and architecture decisions into versioned workflows that people actually trusted.
Linux Patch Management for Production Fleets: A Real-World Maintenance Workflow
A production-tested Linux patch management workflow for teams that need security fixes without turning every maintenance window into a gamble.
AWS Cost Allocation Tags for Shared Platforms: What Finally Worked
A hands-on guide to AWS cost allocation tags for shared environments, built from a real platform-team problem: everyone used the cluster, but nobody trusted the bill.
Ansible and Infrastructure as Code: Idempotency and Best Practices
Idempotent Ansible means you can run a playbook twice and the second run does nothing. Here is how we get there, and where we stopped fighting it.
End-of-Week Engineering: Why Smart Tech Teams Don’t Ship Major Changes on Friday
A practical risk-management framework for release timing, Friday deployment policies, progressive delivery, and how elite teams protect reliability and people.
Kubernetes Cost Optimization for Teams: FinOps Tactics That Actually Work
Cut Kubernetes spend without hurting reliability using a practical FinOps playbook for rightsizing, autoscaling guardrails, showback, and weekly waste cleanup.