*temp*-710687.txt

func NewClientTLSFromFile(certFile, serverNameOverride string) (TransportCredentials, error) {
	b, err := ioutil.ReadFile(certFile)
	if err != nil {
		return nil, err
	}
	cp := x509.NewCertPool()
	if !cp.AppendCertsFromPEM(b) {
		return nil, fmt.Errorf("credentials: failed to append certificates")
	}
	return NewTLS(&tls.Config{ServerName: serverNameOverride, RootCAs: cp}), nil
}