diff --git a/cshare-app/vite.config.js b/cshare-app/vite.config.js
new file mode 100644
index 0000000..44e554f
--- /dev/null
+++ b/cshare-app/vite.config.js
@@ -0,0 +1,34 @@
+/// <reference types="vitest" />
+import { defineConfig } from 'vite'
+import react from '@vitejs/plugin-react'
+import tailwindcss from '@tailwindcss/vite'
+
+export default defineConfig({
+  plugins: [react(), tailwindcss()],
+  build: {
+    cssCodeSplit: true,
+    sourcemap: false,
+    chunkSizeWarningLimit: 450,
+    rollupOptions: {
+      output: {
+        manualChunks(id) {
+          if (!id.includes('node_modules')) return undefined;
+          if (id.includes('/react-router-dom/')) return 'router';
+          if (id.includes('/lenis/')) return 'motion';
+          if (id.includes('/react/') || id.includes('/react-dom/')) return 'react';
+          return 'vendor';
+        },
+      },
+    },
+  },
+  test: {
+    environment: 'jsdom',
+    globals: true,
+    setupFiles: ['./src/test/setup.js'],
+    include: ['src/**/*.test.{js,jsx}'],
+    coverage: {
+      reporter: ['text', 'lcov'],
+      include: ['src/lib/**', 'src/components/**'],
+    },
+  },
+})