sso url 하드코딩 수정

sso-demo/views/index.ejs

@@ -69,6 +69,10 @@
         </main>
     </div>
 
+    <script>
+        // Pass the SSO URL from the server (via the template) to the client-side JS
+        const ssoUrl = '<%= ssoUrl %>';
+    </script>
     <script src="/js/sso.js"></script>
 </body>
 </html>