env.mjs

// src/env.mjs
import { createEnv } from "@t3-oss/env-nextjs";
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: {
    AUTH_GOOGLE_ID: z.string().min(1),
    AUTH_GOOGLE_SECRET: z.string().min(1),
    FIREBASE_PROJECT_ID: z.string().min(1),
    FIREBASE_PRIVATE_KEY: z.string().min(1),
    FIREBASE_CLIENT_EMAIL: z.string().min(1),
    NODE_ENV: z.enum(["development", "test", "production"]),
  },
  /*
   * Environment variables available on the client (and server).
   *
   * 💡 You'll get type errors if these are not prefixed with NEXT_PUBLIC_.
   */
  client: {
    NEXT_PUBLIC_FIREBASE_APP_ID: z.string().min(1),
    NEXT_PUBLIC_FIREBASE_API_KEY: z.string().min(1),
    NEXT_PUBLIC_FIREBASE_PROJECT_ID: z.string().min(1),
    NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN: z.string().min(1),
    NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET: z.string().min(1),
    NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID: z.string().min(1),
    NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID: z.string().min(1),
  },
  /*
   * Due to how Next.js bundles environment variables on Edge and Client,
   * we need to manually destructure them to make sure all are included in bundle.
   *
   * 💡 You'll get type errors if not all variables from `server` & `client` are included here.
   */
  runtimeEnv: {
    NODE_ENV: process.env.NODE_ENV,
    AUTH_GOOGLE_ID: process.env.AUTH_GOOGLE_ID,
    AUTH_GOOGLE_SECRET: process.env.AUTH_GOOGLE_SECRET,
    FIREBASE_PROJECT_ID: process.env.FIREBASE_PROJECT_ID,
    FIREBASE_PRIVATE_KEY: process.env.FIREBASE_PRIVATE_KEY,
    FIREBASE_CLIENT_EMAIL: process.env.FIREBASE_CLIENT_EMAIL,
    NEXT_PUBLIC_FIREBASE_APP_ID: process.env.NEXT_PUBLIC_FIREBASE_APP_ID,
    NEXT_PUBLIC_FIREBASE_API_KEY: process.env.NEXT_PUBLIC_FIREBASE_API_KEY,
    NEXT_PUBLIC_FIREBASE_PROJECT_ID: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID,
    NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN: process.env.NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN,
    NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET: process.env.NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET,
    NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID: process.env.NEXT_PUBLIC_FIREBASE_MEASUREMENT_ID,
    NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID: process.env.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID,
  },
});