const CDN = process.env.NEXT_PUBLIC_CDN_URI ? new URL(process.env.NEXT_PUBLIC_CDN_URI) : ''; module.exports = { i18n: { locales: ['pl'], defaultLocale: 'pl', }, images: { domains: CDN instanceof URL ? ['localhost', CDN.hostname] : ['localhost'], }, async headers() { return [ { source: '/:all*(gif|jpe?g|tiff|png|webp|bmp|svg|ico)', locale: false, headers: [ { key: 'Cache-Control', value: 'public, max-age=2629746, must-revalidate', }, ], }, ]; }, };