fix: align auth env var naming with NEXT_PUBLIC_SITE_URL

.env.example

@@ -25,6 +25,9 @@ NEXT_PUBLIC_SITE_URL="https://localhost:3000"
 # Auth callback URL
 NEXT_PUBLIC_APP_URL="https://localhost:3000"
 
+# Used by Better Auth trusted origins and auth client baseURL (same as NEXT_PUBLIC_SITE_URL)
+NEXT_PUBLIC_BASE_URL="https://localhost:3000"
+
 # -----------------------------------------------------------------------------
 # BETTER AUTH
 # -----------------------------------------------------------------------------

lib/auth-client.ts

@@ -3,7 +3,7 @@ import { adminClient, emailOTPClient, lastLoginMethodClient } from 'better-auth/
 import { passkeyClient } from '@better-auth/passkey/client'
 
 export const authClient = createAuthClient({
-    baseURL: process.env.NEXT_PUBLIC_BASE_URL || "https://localhost:3000",
+    baseURL: process.env.NEXT_PUBLIC_SITE_URL || "https://localhost:3000",
     plugins: [
         emailOTPClient(),
         passkeyClient(),

lib/auth.ts

@@ -49,7 +49,7 @@ export const auth = betterAuth({
             clientSecret: process.env.DISCORD_CLIENT_SECRET || "",
         },
     },
-    trustedOrigins: [process.env.NEXT_PUBLIC_BASE_URL || "https://localhost:3000"],
+    trustedOrigins: [process.env.NEXT_PUBLIC_SITE_URL || "https://localhost:3000"],
     rateLimit: {
         enabled: true,
         window: 60,