code: func PrivateKeyAuthMethod(privateKeyPath string) ssh.AuthMethod {
  	sss, err := loadPrivateKey(privateKeyPath)
  	if err != nil {
  		panic(err)
  	}
  	return ssh.PublicKeys(sss)
  
  }
docs: // PrivateKeyAuthMethod returns a ssh.AuthMethod initialized with a private key
  // @privateKeyPath: path to the private key to use