External Secrets AWS Secrets Manager dockerconfigjson template not rendering invalid character less-than
This is a double-templating collision: ArgoCD (and Helm) consume the {{ }} in your ExternalSecret template before the external-secrets operator ever sees it, so the operator receives mangled template text. Escape the braces for the outer renderer, e.g. write {{ "{{" }}.mysecret{{ "}}" }} in the template so ArgoCD …
Problem outcome: unknown