fix: frontend build error

frontend/vite.config.js

@@ -0,0 +1,36 @@
+import { defineConfig } from 'vite';
+import vue from '@vitejs/plugin-vue';
+import checker from 'vite-plugin-checker';
+import { resolve } from 'path';
+export default defineConfig({
+    plugins: [
+        vue(),
+        checker({
+            typescript: true,
+            vueTsc: true,
+        }),
+    ],
+    resolve: {
+        alias: {
+            '@': resolve(__dirname, 'src'),
+        },
+    },
+    build: {
+        outDir: '../backend/internal/web/dist',
+        emptyOutDir: true,
+    },
+    server: {
+        host: '0.0.0.0',
+        port: 3000,
+        proxy: {
+            '/api': {
+                target: 'http://localhost:8080',
+                changeOrigin: true,
+            },
+            '/setup': {
+                target: 'http://localhost:8080',
+                changeOrigin: true,
+            },
+        },
+    },
+});