How to use @shopify/koa-shopify-graphql-proxy - 3 common examples

console.log('Successfully registered webhook!');
        } else {
          console.log('Failed to register webhook', registration.result);
        }
        await getSubscriptionUrl(ctx, accessToken, shop);
      }
    })
  );

  const webhook = receiveWebhook({ secret: SHOPIFY_API_SECRET_KEY });

  router.post('/webhooks/products/create', webhook, (ctx) => {
    console.log('received webhook: ', ctx.state.webhook);
  });

  server.use(graphQLProxy({ version: ApiVersion.April19 }));

  router.get('*', verifyRequest(), async (ctx) => {
    await handle(ctx.req, ctx.res);
    ctx.respond = false;
    ctx.res.statusCode = 200;
  });

  server.use(router.allowedMethods());
  server.use(router.routes());

  server.listen(port, () => {
    console.log(`> Ready on http://localhost:${port}`);
  });
});

async afterAuth(ctx) {
        const { shop, accessToken } = ctx.session;
        ctx.cookies.set("shopOrigin", shop, { httpOnly: false });

        const registration = await registerWebhook({
          address: `${HOST}/webhooks/products/create`,
          topic: 'PRODUCTS_CREATE',
          accessToken,
          shop,
          apiVersion: ApiVersion.October19
        });

        if (registration.success) {
          console.log('Successfully registered webhook!');
        } else {
          console.log('Failed to register webhook', registration.result);
        }
        await getSubscriptionUrl(ctx, accessToken, shop);
      }
    })