Shopify Auth - Before Billing Code

shopify-auth-before-billing.js

  server.use(
    createShopifyAuth({
      apiKey: SHOPIFY_API_KEY,
      secret: SHOPIFY_API_SECRET,
      scopes: [SCOPES],

      async afterAuth(ctx) {
        //Auth token and shop available in session
        //Redirect to shop upon auth
        const { shop, accessToken } = ctx.session;
        ctx.cookies.set("shopOrigin", shop, {
          httpOnly: false,
          secure: true,
          sameSite: "none"
        });
        ctx.redirect("/");
      }
    })
  );