nodejs tools

.env Schema Builder

One variable per line (KEY=value or KEY=). Get .env.example and a Zod envSchema you can drop next to dotenv in an Express or Fastify app.

Created by

Samuel K.

View and Hire

Variables (one per line)

.env.example

PORT=
DATABASE_URL=
NODE_ENV=
API_SECRET=

Zod schema (env.ts)

import { z } from 'zod';

export const envSchema = z.object({
  PORT: z.string(),
  DATABASE_URL: z.string(),
  NODE_ENV: z.string(),
  API_SECRET: z.string(),
});

export type Env = z.infer<typeof envSchema>;

/** Call after loading dotenv — e.g. envSchema.parse(process.env) */
export function loadEnv() {
  return envSchema.parse(process.env);
}

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