env.mjs

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

export const env = createEnv({
  server: {
    // This is optional because it's only used in development.
    // See https://next-auth.js.org/deployment.
    NEXTAUTH_URL: z.string().url().optional(),
    NEXTAUTH_SECRET: z.string().min(1),

    DATABASE_URL: z.string().min(1),

    GOOGLE_CLIENT_ID: z.string().optional(),
    GOOGLE_CLIENT_SECRET: z.string().optional(),

    GITHUB_CLIENT_ID: z.string().optional(),
    GITHUB_CLIENT_SECRET: z.string().optional(),
    GITHUB_ACCESS_TOKEN: z.string().optional(),

    STRIPE_API_KEY: z.string().optional(),
    STRIPE_WEBHOOK_SECRET: z.string().optional(),
    STRIPE_SECRET_KEY: z.string().optional(),

    RESEND_FROM_ADDRESS: z.string().optional(),
    RESEND_FROM_NAME: z.string().optional(),
    RESEND_API_KEY: z.string().optional(),
  },
  client: {
    NEXT_PUBLIC_RESEND_ENABLED: z
      .string()
      .transform((s) => s !== "false" && s !== "0"),
    NEXT_PUBLIC_POSTHOG_API_KEY: z.string().optional(),
    NEXT_PUBLIC_STRIPE_PUBLISHABLE_KEY: z.string().optional(),
  },
  experimental__runtimeEnv: {
    NEXT_PUBLIC_RESEND_ENABLED: process.env.NEXT_PUBLIC_RESEND_ENABLED,
  },
});