response

type ErrRes struct {
	Err       error  `json:"-"`               // low-level runtime error
	ErrorText string `json:"error,omitempty"` // application-level error message

	HTTPStatusCode int    `json:"-"`      // http response status code
	StatusText     string `json:"status"` // user-level status message

	ValidationErrors []ValidationError `json:"validationErrors,omitempty"` // validation errors if any
}

type ValidationError struct {
	Path    string `json:"path"`
	Message string `json:"message"`
}