fix baseURL

Author: nl32

src/auth-client.ts

@@ -1,5 +1,6 @@
 import { createAuthClient } from 'better-auth/react';
+import { env } from './env.mjs';
 export const authClient = createAuthClient({
   /** The base URL of the server (optional if you're using the same domain) */
-  baseURL: 'http://localhost:3000',
+  baseURL: env.BETTER_AUTH_URL,
 });

src/env.mjs

@@ -11,7 +11,7 @@ const server = z.object({
   BETTER_AUTH_URL: z.preprocess(
     // This makes Vercel deployments not fail if you don't set BETTER_AUTH_URL
     // Since Better Auth automatically uses the VERCEL_URL if present.
-    (str) => process.env.VERCEL_URL ?? str,
+    (str) => `https://${process.env.VERCEL_URL}` ?? str,
     // VERCEL_URL doesn't include `https` so it cant be validated as a URL
     process.env.VERCEL ? z.string().min(1) : z.string().url(),
   ),