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@t3-oss/env-core

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@t3-oss/env-core

This is the framework agnostic core package of t3-env.

0.13.8
latest
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Typesafe Envs made Simple

This is the framework agnostic core package of t3-env.

For full documentation, see https://env.t3.gg

Installation

# npm
npm i @t3-oss/env-core

# pnpm
pnpm add @t3-oss/env-core

# bun
bun add @t3-oss/env-core

# deno
deno add jsr:@t3-oss/env-core

Usage

[!NOTE]

You may use any Standard Schema compliant validator of your choice. This example uses Zod

// src/env.ts
import { createEnv } from "@t3-oss/env-core";
import { z } from "zod";

export const env = createEnv({
  /*
   * Serverside Environment variables, not available on the client.
   * Will throw if you access these variables on the client.
   */
  server: {
    DATABASE_URL: z.string().url(),
    OPEN_AI_API_KEY: z.string().min(1),
  },
  /*
   * Environment variables available on the client (and server).
   *
   * 💡 You'll get type errors if these are not prefixed with PUBLIC_.
   */
  clientPrefix: 'PUBLIC_',
  client: {
    PUBLIC_CLERK_PUBLISHABLE_KEY: z.string().min(1),
  },
  /*
   * Specify what values should be validated by your schemas above.
   */
  runtimeEnv: process.env,
});

Keywords

create-t3-app

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Package last updated on 09 Jun 2025

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