How to Import / Insert / Add product image from URL in Magento 2

use Magento\Framework\App\Action\Context;

class Createproduct extends \Magento\Framework\App\Action\Action {

    protected $directoryList;
    protected $file;

    public function __construct(
        \Magento\Framework\App\Action\Context $context,
        \Magento\Framework\View\Result\PageFactory $pageFactory,
        \Magento\Framework\App\Filesystem\DirectoryList $directoryList,
        \Magento\Framework\Filesystem\Io\File $file) {

        $this->_resultpageFactory = $pageFactory;
        $this->directoryList = $directoryList;
        $this->file = $file;
        return parent::__construct($context);
    }


    protected function getMediaDirTmpDir()
    {
        return $this->directoryList->getPath($this->directoryList::MEDIA) . DIRECTORY_SEPARATOR . 'tmp' . DIRECTORY_SEPARATOR;
    }

    public function setImage($product, $imageUrl, $visible = false, $imageType = [])
    {
        $tmpDir = $this->getMediaDirTmpDir();

        $this->file->checkAndCreateFolder($tmpDir);

        $newFileName = $tmpDir . baseName($imageUrl);


        $result = $this->file->read($imageUrl, $newFileName);
        if ($result) {
            $product->addImageToMediaGallery($newFileName, $imageType, true, $visible);
        }
        return $result;
    }

    public function execute() {
        $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
        $product = $objectManager->create('\Magento\Catalog\Model\Product')->load(1);
        $imagePath = "https://domain.com/image.jpg"; // path of the image
            $this->setImage($product, $imagePath, false, $imageType = ['image', 'small_image', 'thumbnail']);
            $product->save();
    }
}