next.config.js

module.exports = {
  generateEtags: false,
  env: {
    SUPABASE_KEY: process.env.SUPABASE_KEY,
    SUPABASE_URL: process.env.SUPABASE_URL,
    ETHERSCAN_KEY: process.env.ETHERSCAN_KEY,
    CHAIN: process.env.CHAIN,
    CHAIN_ID: process.env.CHAIN_ID,
    API_URL: process.env.API_URL,
  },
  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",
          },
        ],
      },
    ];
  },
};