// Only called from init()
func (target *WebhookTarget) initWebhook() error {
	args := target.args
	transport := target.transport

	if args.ClientCert != "" && args.ClientKey != "" {
		manager, err := certs.NewManager(context.Background(), args.ClientCert, args.ClientKey, tls.LoadX509KeyPair)
		if err != nil {
			return err
		}
		manager.ReloadOnSignal(syscall.SIGHUP) // allow reloads upon SIGHUP

		return nil, nil, false, nil
	}

	if x509Certs, err = config.ParsePublicCertFile(getPublicCertFile()); err != nil {
		return nil, nil, false, err
	}

	manager, err = certs.NewManager(GlobalContext, getPublicCertFile(), getPrivateKeyFile(), config.LoadX509KeyPair)
	if err != nil {
		return nil, nil, false, err
	}

	// MinIO has support for multiple certificates. It expects the following structure: