Node.js Installation

import { defineEnv, z } from "nviron";

export const env = defineEnv({
  PORT: z.coerce.number().default(3000),
  DATABASE_URL: z.string().url(),
  JWT_SECRET: z.string().min(32),
  NODE_ENV: z.enum(["development", "production", "test"]),
});

import express from "express";
import { env } from "./env";

const app = express();

app.listen(env.PORT, () => {
  console.log(`Server running on port ${env.PORT}`);
});