helm-external-secrets/docs/snippets/doppler-secrets-download-external-secret.yaml

apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
  name: auth-api-json-file
spec:
  secretStoreRef:
    kind: SecretStore
    name: doppler-auth-api-json-file

  target:
    name: auth-api-json-file

  dataFrom:
    - find:
        path: DOPPLER_SECRETS_FILE