Practical articles on AI, DevOps, Cloud, Linux, and infrastructure engineering.
Blue/green is easy for stateless services. We did it for our primary Postgres cluster with 3.2TB of data and ~8k connections. Here's exactly how — and what almost went wrong.
We were drowning in 200 alerts a week. Most got ignored. After a quarter of triage and rework, we're at about 15 — and on-call actually responds to them.
We wrote pretty postmortems for two years and kept hitting the same incidents. Here's what changed when we started writing ugly ones.
A real walkthrough of shrinking bloated Docker images from 1.2GB to 240MB using multi-stage builds, Alpine, and dependency auditing.
A real-world multi-cluster traffic routing guide for SaaS teams that have outgrown a single Kubernetes cluster and need safer rollout control without a service-mesh science project.
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.
Practical game day scenarios for CI/CD: broken rollbacks, permission issues, and slow feedback loops—and how we fixed them.
Cut Kubernetes spend without hurting reliability using a practical FinOps playbook for rightsizing, autoscaling guardrails, showback, and weekly waste cleanup.
Understand Kubernetes networking: ClusterIP, NodePort, LoadBalancer, Ingress, and policy.
