Hi, I'm Ashok
Senior DevOps & Platform Engineer
10 years designing and operating production infrastructure on Azure and AWS. I write practical guides on Terraform, Kubernetes, platform engineering, and AI-assisted DevOps — the kind I wished existed when I was learning.
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NodeLocal DNSCache in Kubernetes: Production Setup, kind Demo, and Prometheus Metrics
Cut Kubernetes DNS latency and reduce CoreDNS load with NodeLocal DNSCache. Includes a runnable kind cluster, Prometheus scraping, Grafana queries, and a safe production rollout plan.
Kubernetes Vertical Pod Autoscaler: When to Use VPA, HPA, or Both
Learn how Kubernetes VPA right-sizes CPU and memory, when HPA is the better choice, and how to safely combine them without creating a scaling feedback loop.
Kubernetes Validating Admission Policies: Webhook-Free Guardrails
Stop running complex admission webhooks. Learn how to write, bind, and scale native ValidatingAdmissionPolicies using CEL to secure your Kubernetes cluster.