diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 2c9137e..6e40ebe 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -14,7 +14,9 @@ export default defineConfig({
   server: {
     port: 3000,
     open: true,
-    allowedHosts: 'all',
+    allowedHosts: process.env.VITE_ALLOWED_HOSTS
+      ? process.env.VITE_ALLOWED_HOSTS.split(',')
+      : 'all',
     proxy: {
       '/api': {
         target: 'http://localhost:5001',