helm-external-secrets/docs/snippets/datafrom-rewrite-transform.yaml

{% raw %}
apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
  name: external-secret-transform
spec:
  secretStoreRef:
    name: fake
    kind: ClusterSecretStore
  dataFrom:
    - find:
        name:
          regexp: ".*"
      rewrite:
      - transform:
          template: 'ENV_{{ .value | upper | replace "-" "_" }}'
{% endraw %}