chore(docker): update Docker and Next.js config

keep-notes/next.config.ts

@@ -1,5 +1,4 @@
 import type { NextConfig } from "next";
-import path from "path";
 
 const withPWA = require("@ducanh2912/next-pwa").default({
   dest: "public",
@@ -12,10 +11,8 @@ const nextConfig: NextConfig = {
   // Enable standalone output for Docker
   output: 'standalone',
 
-  turbopack: {
-    // Set root to parent directory to support monorepo workspace structure
-    root: path.resolve(__dirname, ".."),
-  },
+  // Disable Turbopack for Docker builds - use Webpack instead
+  // Turbopack has issues with Tailwind CSS 4 in Docker containers
 
   // Optimize for production
   reactStrictMode: true,