/**
 * =============================================================================
 * NEXT.JS CONFIGURATION
 * =============================================================================
 * 
 * This configures the Next.js build and runtime behavior.
 * 
 * Key features:
 * - API rewrites to proxy requests to FastAPI backend (avoids CORS issues)
 * - Image optimization settings
 * - Environment variables handling
 */

/** @type {import('next').NextConfig} */
const nextConfig = {
  // Rewrites let us proxy API calls to the FastAPI backend
  // This avoids CORS issues during development
  async rewrites() {
    return [
      {
        source: "/api/backend/:path*",
        destination: "http://localhost:8000/api/:path*", // FastAPI backend
      },
    ];
  },

  // Image optimization - add domains you'll load images from
  images: {
    domains: ["your-supabase-project.supabase.co"],
  },
};

module.exports = nextConfig;