diff --git a/apps/web/src/app/api/qr/[accountId]/route.ts b/apps/web/src/app/api/qr/[accountId]/route.ts
index 074099d..78b2612 100644
--- a/apps/web/src/app/api/qr/[accountId]/route.ts
+++ b/apps/web/src/app/api/qr/[accountId]/route.ts
@@ -1,6 +1,15 @@
 import { NextResponse } from "next/server";
 import { db } from "@/lib/db";
 
+// Without these, `next build`'s "Collecting page data" pass invokes
+// the GET handler in the build container — which has no
+// DATABASE_URL — and the env access throws ZodError, killing the
+// docker build. Marking the route force-dynamic + nodejs runtime
+// tells Next to skip the build-time call and only run at request
+// time.
+export const dynamic = "force-dynamic";
+export const runtime = "nodejs";
+
 interface RouteContext {
   params: Promise<{ accountId: string }>;
 }