next.config.js

module.exports = {
  pageExtensions: ['js', 'ts'],
  reactStrictMode: true,
  poweredByHeader: false,
  async headers() {
    return [
      {
        source: '/api/:path*',
        headers: [
          {
            key: 'Access-Control-Allow-Origin',
            value: '*'
          },
          {
            key: 'Access-Control-Allow-Credentials',
            value: 'true'
          },
          {
            key: 'Access-Control-Allow-Methods',
            value: 'GET,OPTIONS,HEAD,PATCH,DELETE,POST,PUT'
          },
          {
            key: 'Access-Control-Allow-Headers',
            value: 'X-CSRF-Token, X-Requested-With, Accept, Accept-Version, Content-Length, Content-MD5, Content-Type, Date, X-Api-Version'
          },
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on'
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block'
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN'
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff'
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin'
          }
        ]
      }
    ]
  }
}