frontend/next.config.ts

import type { NextConfig } from "next";

const nextConfig: NextConfig = {
  ...(process.env.NODE_ENV === "production" ? { output: "standalone" } : {}),

  experimental: {
    // Tree-shake large icon/chart libs — only bundle exports that are used
    optimizePackageImports: ["lucide-react", "recharts"],
  },

  webpack(config, { dev }) {
    if (dev) {
      // Persist compiled modules to disk so server restarts reuse the cache
      config.cache = {
        type: "filesystem",
        allowCollectingMemory: true,
      };
    }
    return config;
  },
turbopack: {} // Add this line

};

export default nextConfig;