YAML in Kubernetes: Writing Manifests, Helm Charts, and Kustomize Files
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. Deployment Manifest: Complete Example Service and Ingress The separator between documents lets you put multiple resources in one file and apply them with a single . --- kubectl apply vs. kubectl create Always use for GitOps and CI/CD pipelines. is for one-off bootstrapping. The flag is invaluable — it validates your YAML against the live API server including admission webhooks,…
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