code: func ReadSpecificDockerConfigJsonFile(filePath string) (cfg DockerConfig, err error) {
  	var contents []byte
  
  	if contents, err = ioutil.ReadFile(filePath); err != nil {
  		return nil, err
  	}
  	return readDockerConfigJsonFileFromBytes(contents)
  }
docs: //ReadSpecificDockerConfigJsonFile attempts to read docker configJSON from a given file path.