return nil, err
	}

	if limitedReader.N <= 0 {
		return nil, errors.New("the read limit is reached")
	}

	return contents, nil
}

// ReadDockerConfigFileFromBytes read a docker config file from the given bytes
func ReadDockerConfigFileFromBytes(contents []byte) (cfg DockerConfig, err error) {
	if err = json.Unmarshal(contents, &cfg); err != nil {
		return nil, errors.New("error occurred while trying to unmarshal json")