Kubernetes Bad Request "must match the regular expression '^([+-]?[0-9.]+)([eEinumkKMGTP]*[-+]?[0-9]*)$'"

One fine evening, while refreshing my kubernetes concepts, I was trying to write a simple deployment with their resource limits. And I conjured up with this little yaml thing-y apiVersion: apps/v1 kind: Deployment metadata: name: my-app-resources ...