diff --git a/packages/config/src/index.ts b/packages/config/src/index.ts
index c366db0..f0a8d41 100644
--- a/packages/config/src/index.ts
+++ b/packages/config/src/index.ts
@@ -3,7 +3,7 @@ import { z } from "zod";
 export const envSchema = z.object({
   PORT: z.coerce.number().default(3000),
   NODE_ENV: z.enum(["development", "production", "test"]).default("development"),
-  CL0UD_BASE_URL: z.string().url(),
+  CL0UD_BASE_URL: z.string().url().optional(),
   ZITADEL_ISSUER: z.string().url(),
   ZITADEL_AUDIENCE: z.string(),
   DATABASE_URL: z.string(),