next.config.js

const { createVanillaExtractPlugin } = require('@vanilla-extract/next-plugin')
const withVanillaExtract = createVanillaExtractPlugin()

const nextConfig = {
  reactStrictMode: true,
  experimental: { outputFileTracing: true },
  async headers() {
    return [
      {
        // matching all API routes
        source: '/api/:path*',
        headers: [
          { key: 'Access-Control-Allow-Credentials', value: 'true' },
          { key: 'Access-Control-Allow-Origin', value: '*' },
          {
            key: 'Access-Control-Allow-Methods',
            value: 'GET,OPTIONS,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',
          },
        ],
      },
    ]
  },
}

module.exports = withVanillaExtract(nextConfig)