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k8s: Kubernetes Configuration Good Practices

This article collects practical Kubernetes configuration best practices: prefer current stable APIs, keep manifests minimal and version-controlled, write YAML carefully (watch boolean values), group related objects, favor controllers (Deployments/Jobs) over naked Pods, use Services and DNS properly, avoid hostNetwork/hostPort unless necessary, apply semantic/common labels, add helpful annotations, and use kubectl features like applying directories, label selectors and server-side apply to simplify management.