Tag: Production

PostgreSQL on Kubernetes — Complete Setup Guide with CloudNativePG

Amaresh Pelleti

Running PostgreSQL in Kubernetes used to be a bad idea. StatefulSets were tricky, persistent volumes were unreliable, and failover meant data loss. Most teams defaulted to managed cloud databases and called it done. That calculus has changed. CloudNativePG — the… Read morePostgreSQL on Kubernetes — Complete Setup Guide with CloudNativePG

Kubernetes Network Policies — Isolate Your Workloads Before It’s Too Late

Amaresh Pelleti

By default, every pod in your Kubernetes cluster can talk to every other pod. No restrictions. No firewall. If your frontend pod can freely open a TCP connection to your database pod, so can any other compromised workload sitting in… Read moreKubernetes Network Policies — Isolate Your Workloads Before It’s Too Late

Kubernetes RBAC Tutorial: Stop Giving Cluster-Admin to Everyone

Amaresh Pelleti

Your team just spun up a new Kubernetes cluster. Onboarding is fast, everyone’s excited, and to keep things moving — someone runs kubectl create clusterrolebinding give-access –clusterrole=cluster-admin –serviceaccount=default:default. Problem solved, right? Until it isn’t. I’ve watched this exact pattern cause… Read moreKubernetes RBAC Tutorial: Stop Giving Cluster-Admin to Everyone