Kustomize
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Declarative K8s customization without templating.
Definition
Kustomize layers: base/ (common manifests) + overlays/{env}/ (kustomization.yaml + patches). Operators: patchesStrategicMerge, patchesJson6902, configMapGenerator, secretGenerator, namespace, namePrefix, commonLabels, transformers. Alternative to Helm for those rejecting templating. Strong integration with Argo CD, Flux CD.
Origin
Google + Kubernetes SIG CLI, kustomize project announced 2018, native kubectl integration K8s 1.14 (March 2019).
Usage
Standard for manifest customization without templating. Compatible with GitOps workflow (Argo CD, Flux).
Related terms
- Kubernetes — plateforme cible.
- Helm — concurrent templating.
- GitOps — pattern d'usage.