helm-external-secrets/docs/snippets/datafrom-rewrite-merge-empty.yaml

apiVersion: external-secrets.io/v1beta1
kind: ExternalSecret
metadata:
  name: merge-basic-example
spec:
  refreshInterval: 1h
  secretStoreRef:
    name: vault-backend
    kind: SecretStore
  dataFrom:
    - find:
        path: path/to/secrets
        regexp: ".*-credentials"
      rewrite:
        - merge: {}