ISSUE ON The Upload File PHP Script

string(50) "http://localhost/coffee-blend/images/dessert-5.jpg" Warning: move_uploaded_file(http://localhost/coffee-blend/images/dessert-5.jpg): Failed to open stream: HTTP wrapper does not support writeable connections in C:\xampp\htdocs\coffee-blend\admin-panel\products\add-product.php on line 24

Warning: move_uploaded_file(): Unable to move "C:\xampp\tmp\php89B8.tmp" to "http://localhost/coffee-blend/images/dessert-5.jpg" in C:\xampp\htdocs\coffee-blend\admin-panel\products\add-product.php on line 24

if (isset($_POST['submit']) && $_POST) {
    $productName = $_POST['product_name'];
    $productDesc = $_POST['product_desc'];
    $productCat = $_POST['product_cat'];
    $productPrice = $_POST['product_price'];
    $target_dir = "" . APPURL . "images/";
    $image_name = basename($_FILES['product_img']['name']);
    $target_file = $target_dir . $image_name;
    var_dump($target_file); //string(50) "http://localhost/coffee-blend/images/dessert-5.jpg"
    $uploadOk = 1;
    $imageFileType = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
    if ($uploadOk == 1) {
        if (move_uploaded_file($_FILES["product_img"]["tmp_name"], $target_file)) {
            echo "File uploaded successfully.";
            $add_product = $conn->prepare("INSERT INTO products(name,image,description,category,price) VALUES(:name,:image,:description,:category,:price)");
            if ($add_product->execute(
                [
                    'name' => $productName,
                    'image' => $image_name,
                    'description' => $productDesc,
                    'category' => $productCat,
                    'price' => $productPrice


                ]

            )) {
                $message = "Product created successfully";
            }
        } else {
            $message = "There was an error uploading your file.";
        }
    } else {
        $message = "File was not uploaded due to validation errors.";
    }
}

not able to understand what is exactly happening