snap2slides/next.config.js at main · SaurabhCodesAI/snap2slides · GitHub

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/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,
  swcMinify: true,
  poweredByHeader: false, // Remove X-Powered-By header for security
  compress: true, // Enable gzip compression

  // Performance optimizations
  experimental: {
    optimizeCss: true,
    scrollRestoration: true,
    largePageDataBytes: 128 * 100000, // 12.8MB for large file support
  },

  // Allow cross-origin requests for network access
  allowedDevOrigins: ['192.168.1.33', '192.168.56.1'],

  // Image optimization
  images: {
    domains: ['localhost'],
    formats: ['image/webp', 'image/avif'],
    minimumCacheTTL: 86400, // 24 hours cache
    dangerouslyAllowSVG: true,
    contentSecurityPolicy: "default-src 'self'; script-src 'none'; sandbox;",
  },

  // Headers for better performance and security
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff'
          },
          {
            key: 'X-Frame-Options',
            value: 'DENY'
          },
          {
            key: 'Referrer-Policy',
            value: 'strict-origin-when-cross-origin'
          }
        ]
      },
      {
        source: '/api/(.*)',
        headers: [
          {
            key: 'Cache-Control',
            value: 'no-store, max-age=0'
          }
        ]
      },
      {
        source: '/_next/static/(.*)',
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, immutable'
          }
        ]
      }
    ];
  },

  // Environment variables
  env: {
    MONGODB_URI: process.env.MONGODB_URI,
    GEMINI_API_KEY: process.env.GEMINI_API_KEY,
  },

  // Webpack optimizations
  webpack: (config, { isServer, dev }) => {
    // Optimize bundle size in production
    if (!dev && !isServer) {
      config.optimization = {
        ...config.optimization,
        splitChunks: {
          ...config.optimization.splitChunks,
          cacheGroups: {
            ...config.optimization.splitChunks.cacheGroups,
            vendor: {
              test: /[\\/]node_modules[\\/]/,
              name: 'vendors',
              chunks: 'all',
            },
          },
        },
      };
    }

    return config;
  },
}

module.exports = nextConfig