fix

apps/status-page/src/middleware.ts

···
     }
     if(_page.customDomain && subdomain) {
       console.log({ url: req.url });
-      const rewriteUrl = new URL(`/${url.pathname}`, req.url);
+      const vercelURL = process.env.VERCEL_URL || "www.stpg.dev";
+      const rewriteUrl = new URL(`/${_page.slug}/${url.pathname}`,vercelURL );
       console.log({ rewriteUrl });
       rewriteUrl.search = url.search;
       return NextResponse.rewrite(rewriteUrl);