@proofkit/cli/template/nextjs/src/config/env.ts

Create web application with the ProofKit stack

import { createEnv } from "@t3-oss/env-nextjs";
import { z } from "zod/v4";

export const env = createEnv({
  server: {
    NODE_ENV: z
      .enum(["development", "test", "production"])
      .default("development"),
  },
  client: {},
  // For Next.js >= 13.4.4, you only need to destructure client variables:
  experimental__runtimeEnv: {},
});