func buildS3Client(endpoint, accessKey, secretKey string, insecure bool) (*minio.Client, error) {
	u, err := url.Parse(endpoint)
	if err != nil {
		return nil, err
	}

	secure := strings.EqualFold(u.Scheme, "https")
	transport, err := minio.DefaultTransport(secure)
	if err != nil {
		return nil, err
	}
	if insecure {
		// skip TLS verification
		transport.TLSClientConfig.InsecureSkipVerify = true
	}

		if e != nil {
			log.Fatalln("Unable to parse --modified-since:", e)
		}
	}

	u, err := url.Parse(endpoint)
	if err != nil {
		log.Fatalln(err)
	}

	secure := strings.EqualFold(u.Scheme, "https")
	transport, err := minio.DefaultTransport(secure)
	if err != nil {
		log.Fatalln(err)
	}
	if insecure {
		// skip TLS verification
		transport.TLSClientConfig.InsecureSkipVerify = true
	}