diff --git a/apps/mobile/src/lib/api.ts b/apps/mobile/src/lib/api.ts
index 0c5ec1f..2a3e522 100644
--- a/apps/mobile/src/lib/api.ts
+++ b/apps/mobile/src/lib/api.ts
@@ -1,7 +1,6 @@
 import { supabase } from "./supabase";
 
-const DEFAULT_API_URL = "https://api.menul.io";
-const API_URL = process.env.EXPO_PUBLIC_API_URL || DEFAULT_API_URL;
+const API_URL = process.env.EXPO_PUBLIC_API_URL ?? "http://localhost:3001";
 
 async function authHeaders(): Promise<Record<string, string>> {
   const { data } = await supabase.auth.getSession();
diff --git a/apps/mobile/src/lib/supabase.ts b/apps/mobile/src/lib/supabase.ts
index eb8977e..a31c511 100644
--- a/apps/mobile/src/lib/supabase.ts
+++ b/apps/mobile/src/lib/supabase.ts
@@ -2,13 +2,14 @@ import "react-native-url-polyfill/auto";
 import AsyncStorage from "@react-native-async-storage/async-storage";
 import { createClient } from "@supabase/supabase-js";
 
-const DEFAULT_SUPABASE_URL = "https://fwahdopsyvryvjaqande.supabase.co";
-const DEFAULT_SUPABASE_ANON_KEY = "sb_publishable_9YsK7YU7xfzxJQsz3x5iMA_LHCqUN3b";
+const url = process.env.EXPO_PUBLIC_SUPABASE_URL ?? "";
+const anonKey = process.env.EXPO_PUBLIC_SUPABASE_ANON_KEY ?? "";
 
-const url = process.env.EXPO_PUBLIC_SUPABASE_URL || DEFAULT_SUPABASE_URL;
-const anonKey = process.env.EXPO_PUBLIC_SUPABASE_ANON_KEY || DEFAULT_SUPABASE_ANON_KEY;
+if (!url || !anonKey) {
+  console.warn("⚠️ EXPO_PUBLIC_SUPABASE_URL veya EXPO_PUBLIC_SUPABASE_ANON_KEY tanımlı değil.");
+}
 
-export const supabase = createClient(url, anonKey, {
+export const supabase = createClient(url || "https://placeholder.supabase.co", anonKey || "placeholder", {
   auth: {
     storage: AsyncStorage,
     autoRefreshToken: true,
diff --git a/apps/mobile/src/lib/urls.ts b/apps/mobile/src/lib/urls.ts
index 33c0492..3205f22 100644
--- a/apps/mobile/src/lib/urls.ts
+++ b/apps/mobile/src/lib/urls.ts
@@ -1,5 +1,4 @@
-const DEFAULT_WEB_URL = "https://menul.io";
-const WEB_BASE_URL = process.env.EXPO_PUBLIC_WEB_URL || DEFAULT_WEB_URL;
+const WEB_BASE_URL = process.env.EXPO_PUBLIC_WEB_URL || "http://localhost:3000";
 
 export function getPublicMenuUrl(slug: string): string {
   if (WEB_BASE_URL.includes("menul.io")) {