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frontend/vite.config.js

@@ -9,7 +9,18 @@ export default defineConfig({
     port: 5173,
     proxy: {
       '/api': {
-        target: 'http://backend:3000',
+        target: 'http://localhost:3000',
+        changeOrigin: true,
+        secure: false,
+      }
+    }
+  },
+  preview: {
+    host: '0.0.0.0',
+    port: 5173,
+    proxy: {
+      '/api': {
+        target: 'http://localhost:3000',
         changeOrigin: true,
         secure: false,
       }