update

web/src/routes/api/host/+server.ts

@@ -0,0 +1,22 @@
+import type { RequestHandler } from '@sveltejs/kit';
+import { WG_HOST } from '$env/static/private';
+import Shell from '$lib/shell';
+
+export const GET: RequestHandler = async () => {
+
+  let HOSTNAME = WG_HOST;
+
+  // if the host is not set, then we are using the server's public IP
+  if (!HOSTNAME) {
+    const resp = await Shell.exec('curl -s ifconfig.me', true);
+    HOSTNAME = resp.trim();
+  }
+
+  // check if WG_HOST is still not set
+  if (!HOSTNAME) {
+    console.error('WG_HOST is not set');
+    return new Response('NOT_SET', { status: 500, headers: { 'Content-Type': 'text/plain' } });
+  }
+
+  return new Response(HOSTNAME, { status: 200, headers: { 'Content-Type': 'text/plain' } });
+};