func yamlBytesStripNulls(yamlBytes []byte) []byte {
	nullRE := regexp.MustCompile("(?m)[\n]+^[^\n]+: null$")
	return nullRE.ReplaceAll(yamlBytes, []byte{})
}
func yamlBytesStripNulls(yamlBytes []byte) []byte {
	nullRE := regexp.MustCompile("(?m)[\n]+^[^\n]+: null$")
	return nullRE.ReplaceAll(yamlBytes, []byte{})
}
// these are unnecessary, and make the config larger so we strip them out