YAML in Kubernetes: Manifests, Helm Charts, Kustomize
Write Kubernetes YAML manifests correctly: understand apiVersion, metadata, spec structure, and use Helm templating or Kustomize for reuse.
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Tags: yaml, kubernetes, devops
YAML in Kubernetes: Writing Manifests, Helm Charts, and Kustomize Files Kubernetes is fundamentally a YAML-driven API. Every resource you create, update, or delete is expressed as a YAML document with a specific schema. Understanding the structure of these documents — and the patterns that Helm and Kustomize add on top — is essential for anyone operating Kubernetes beyond copy-pasting manifests from tutorials. --- The Anatomy of a Kubernetes Manifest Every Kubernetes resource shares four top-level fields: apiVersion The field combines the API group and version: metadata Labels are for selection (by Services, Deployments, selectors). Annotations are for metadata tools use but don't need to select on. Never put config values in annotations — use ConfigMaps. --- Deployment Manifest: Complete…
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