Create frontend/vite.config.js

frontend/vite.config.js

@@ -0,0 +1,15 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react";
+import path from "node:path";
+
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src")
+    }
+  },
+  build: {
+    outDir: "dist" // Dockerfile copies /frontend/dist → backend/frontend_dist
+  }
+});