code: func ReadFileJSON(path string, v interface{}) error {
  	b, err := ioutil.ReadFile(path)
  	if err != nil {
  		return errors.Wrap(err, "reading")
  	}
  
  	if err := json.Unmarshal(b, &v); err != nil {
  		return errors.Wrap(err, "unmarshaling")
  	}
  
  	return nil
  }
docs: // ReadFileJSON reads json from the given path.