magento2 update product attributes, store-specific

magento2_update_store_specific_product_attributes.php

<?php

/**
 * Sets different values for an attribute, depending on the store.
 * 
 * This example sets the hs code attribute of product 123 to 111111 for the UK and 222222 for AU.
 */

$storeIdUK = 1;
$storeIdAU = 2;

$product_id = 123;

$hs_code_uk = '111111';
$hs_code_au = '222222';

$attrDataUK = [
  'hs_code' => $hs_code_uk
];
$attrDataAU = [
  'hs_code' => $hs_code_au
];

$productAction = $this->_objectManager->get(\Magento\Catalog\Model\ResourceModel\Product\Action::class);

/** OR:
$productAction = $productAction = $this->container->get(
                \Magento\Catalog\Model\ResourceModel\Product\Action::class
            );
*/
$productAction->updateAttributes([$product_id], $attrDataUK, $storeIdUK);
$productAction->updateAttributes([$product_id], $attrDataAU, $storeIdAU);