Fix: Add missing lib/utils.ts and Turbopack config

- Force add lib/utils.ts (was ignored by parent .gitignore)
- Add turbopack.resolveAlias in next.config.mjs for path resolution
- Simplify Dockerfile build steps

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Dockerfile

@@ -44,13 +44,8 @@ COPY . .
 
 # Build Next.js 前端
 RUN cd bloom-ware-login \
-    && echo "=== 檢查檔案結構 ===" \
-    && ls -la lib/ \
-    && echo "=== 檢查 tsconfig.json ===" \
-    && cat tsconfig.json | grep -A 5 "paths" \
     && npm install --legacy-peer-deps \
-    && echo "=== 使用 webpack 建置（禁用 Turbopack） ===" \
-    && NEXT_USE_TURBOPACK=0 npm run build \
+    && npm run build \
     && cd ..
 
 ENV PORT=7860

bloom-ware-login/lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from 'clsx'
+import { twMerge } from 'tailwind-merge'
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}

bloom-ware-login/next.config.mjs

@@ -1,3 +1,9 @@
+import path from 'path'
+import { fileURLToPath } from 'url'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+
 /** @type {import('next').NextConfig} */
 const nextConfig = {
   typescript: {
@@ -10,6 +16,11 @@ const nextConfig = {
   basePath: '/login',  // 所有靜態資源路徑加上 /login 前綴
   distDir: 'out',
   trailingSlash: true,
+  turbopack: {
+    resolveAlias: {
+      '@': __dirname,
+    },
+  },
 }
 
 export default nextConfig