Copy a field with replacements kustomize

modern: replacements: copies a field cross-resource, replaces deprecated vars:

cat <<'EOF' >> kustomization.yaml
replacements:
  - source: {kind: ConfigMap, name: cfg, fieldPath: data.host}
    targets:
      - select: {kind: Deployment}
        fieldPaths: [spec.template.spec.containers.0.env.0.value]
EOF

#kustomize #gitops #k8s

more kustomize all 23 commands →

Inline patch with target selector cat <<'EOF' >> kustomization.yaml patches: - target: {kind: Deployment, labelSelector: app=api} patch: |- - op: replace path: /spec/replicas value: 3 EOF Pin image by digest and rename kustomize edit set image app=registry.example.com/app@sha256:<id> Secret generator without hash suffix cat <<'EOF' >> kustomization.yaml secretGenerator: - name: db-creds literals: [PASSWORD=s3cr3t] generatorOptions: disableNameSuffixHash: true EOF Register CRD OpenAPI for merge keys cat <<'EOF' >> kustomization.yaml openapi: path: crd-schema.json EOF Build kustomization kustomize build ./overlays/prod