A practical guide to managing Kubernetes Secrets safely. Covers the difference from ConfigMaps, injection methods, Git storage strategies, External Secrets, Vault integration, rotation, and RBAC considerations.
A practical guide to Kubernetes monitoring with Prometheus and Grafana. Covers what metrics matter, how to think about alerts, and the common monitoring mistakes teams make in production.
Five root causes of CrashLoopBackOff and a step-by-step debugging approach. Essential kubectl commands and real-world resolution examples.
Step-by-step diagnosis of CrashLoopBackOff — from OOMKilled and missing config to liveness probe misconfigurations. Includes kubectl commands and real-world patterns.
A 34-item checklist for running Kubernetes clusters reliably in production. Organized by resources, availability, security, network, storage, monitoring, deploy process, and cost.
How to configure Kubernetes HPA, VPA, KEDA, and Cluster Autoscaler, and when to use each. From CPU/memory-based to custom metrics — with real-world configuration examples.