diff --git a/cloud/infra/stage.ts b/cloud/infra/stage.ts
new file mode 100644
index 00000000..278766ec
--- /dev/null
+++ b/cloud/infra/stage.ts
@@ -0,0 +1,5 @@
+export const domain = (() => {
+  if ($app.stage === "production") return "nestri.io"
+  if ($app.stage === "dev") return "dev.nestri.io"
+  return `${$app.stage}.dev.nestri.io`
+})()