first version

app/routes/webhooks.orders.updated.tsx

@@ -0,0 +1,10 @@
+import type { ActionFunctionArgs } from "react-router";
+import { authenticate } from "../shopify.server";
+
+// Acknowledged but not yet acted on. Future: invalidate cached invoice
+// snapshots when a relevant field on the order changes.
+export const action = async ({ request }: ActionFunctionArgs) => {
+  const { shop, topic } = await authenticate.webhook(request);
+  console.log(`Received ${topic} webhook for ${shop}`);
+  return new Response();
+};