first version

app/routes/webhooks.orders.create.tsx

@@ -0,0 +1,11 @@
+import type { ActionFunctionArgs } from "react-router";
+import { authenticate } from "../shopify.server";
+
+// We don't auto-generate invoices on order create. This handler just
+// acknowledges the webhook so Shopify keeps it healthy and gives us a
+// hook point for future work (e.g. cache invalidation).
+export const action = async ({ request }: ActionFunctionArgs) => {
+  const { shop, topic } = await authenticate.webhook(request);
+  console.log(`Received ${topic} webhook for ${shop}`);
+  return new Response();
+};