KubernetesAdvanced
Kubernetes Advanced Operations
Go beyond the basics — custom-metric autoscaling, ingress vs Gateway API migration, secrets encryption, Helm chart best practices, and production security hardening.
Start CoursePrerequisites
Chapters
01
HPA with Custom Metrics
Scale pods on application-specific metrics like queue depth and request latency instead of just CPU.
Read chapter15 min read
02
Ingress vs Gateway API
Understand when to migrate from Ingress to Gateway API and how to do it without downtime.
Read chapter10 min read
03
Secrets Encryption at Rest
Encrypt etcd secrets with KMS providers because Base64 encoding is not encryption.
Read chapter9 min read
04
Production-Ready Helm Charts
Write maintainable Helm charts with proper templates, values schemas, hooks, and testing.
Read chapter9 min read
05
Security Hardening for Production
A comprehensive checklist for hardening your cluster — API server, kubelet, etcd, workloads, and network.
Read chapter15 min read
06
Troubleshooting CrashLoopBackOff
Systematically debug the most common Kubernetes failure mode with a structured field guide.
Read chapter10 min read