`next.config.optimized.js`

155 lines
/** @type {import('next').NextConfig} */
const withBundleAnalyzer = require('@next/bundle-analyzer')({
  enabled: process.env.ANALYZE === 'true',
});

const nextConfig = {
  // Image optimization
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: 'images.vivino.com',
      },
      {
        protocol: 'https',
        hostname: '**.totalwine.com',
      },
      {
        protocol: 'https',
        hostname: '**.klwines.com',
      },
    ],
    formats: ['image/avif', 'image/webp'],
    deviceSizes: [640, 750, 828, 1080, 1200, 1920, 2048, 3840],
    imageSizes: [16, 32, 48, 64, 96, 128, 256, 384],
    minimumCacheTTL: 60 * 60 * 24 * 30, // 30 days
  },

  // Enable SWC minification
  swcMinify: true,

  // Compression
  compress: true,

  // Production optimizations
  productionBrowserSourceMaps: false,

  // Webpack optimizations
  webpack: (config, { dev, isServer }) => {
    // Optimize chunks
    if (!dev) {
      config.optimization = {
        ...config.optimization,
        splitChunks: {
          chunks: 'all',
          minSize: 20000,
          maxSize: 244000,
          cacheGroups: {
            default: false,
            vendors: false,
            commons: {
              name: 'commons',
              chunks: 'all',
              minChunks: 2,
            },
            react: {
              name: 'react',
              test: /[\\/]node_modules[\\/](react|react-dom|scheduler)[\\/]/,
              priority: 20,
              reuseExistingChunk: true,
            },
            vendor: {
              name: 'vendor',
              test: /[\\/]node_modules[\\/]/,
              priority: 10,
              reuseExistingChunk: true,
            },
          },
        },
        runtimeChunk: {
          name: 'runtime',
        },
      };
    }

    // Tree shaking
    config.optimization.usedExports = true;
    config.optimization.sideEffects = false;

    return config;
  },

  // Headers for caching and security
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on',
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
          {
            key: 'X-Frame-Options',
            value: 'DENY',
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block',
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin',
          },
        ],
      },
      {
        source: '/static/:path*',
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, immutable',
          },
        ],
      },
      {
        source: '/_next/static/:path*',
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, immutable',
          },
        ],
      },
      {
        source: '/api/:path*',
        headers: [
          {
            key: 'Cache-Control',
            value: 'no-cache, no-store, must-revalidate',
          },
        ],
      },
    ];
  },

  // Experimental features for better performance
  experimental: {
    optimizeCss: true,
    scrollRestoration: true,
  },

  // Output configuration
  output: 'standalone',
  poweredByHeader: false,

  // React strict mode for better development
  reactStrictMode: true,
};

module.exports = withBundleAnalyzer(nextConfig);