58 posts · page 2 of 2
Understand what a service mesh actually does, how Istio implements it on Kubernetes, and when the operational cost is worth the features you gain.
Understand when to use Deployments vs StatefulSets, what stable identity buys you, and how to operate stateful workloads safely on Kubernetes.
Learn how the Vertical Pod Autoscaler right-sizes CPU and memory requests, when to use it instead of HPA, and how to deploy it safely in production.
Understand the real differences between Deployments and StatefulSets in Kubernetes. Learn which workloads belong in each, with concrete YAML and rollout behavior.
A clear guide to Kubernetes Services. Learn what ClusterIP, NodePort, LoadBalancer, and headless Services do, and when to use each in real clusters.
Learn Helm fundamentals: helm install, charts, values.yaml, templating, releases, and when to choose Helm over plain Kubernetes YAML manifests.
How to externalize configuration and credentials in Kubernetes — ConfigMap YAML, Secret YAML, mounting as env vars vs files, and patterns for reloading config without rebuilding images.
How Ingress, IngressClass, and Ingress controllers route external HTTP and HTTPS traffic to your Kubernetes Services — with host and path rules, TLS termination, and notes on ingress-nginx vs Traefik.
A hands-on tour of the three Kubernetes objects you will use every day — pods, deployments, and services — with real YAML, the kubectl commands to apply them, and how they fit together.
A practical introduction to Kubernetes — what problem it solves, the vocabulary you need (cluster, node, pod, deployment, service), and when running a single Docker container is enough.