diff --git a/backend/server.js b/backend/server.js
index bff0432..7f131f5 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -27,6 +27,6 @@ app.post('/whatsapp/webhook', async (req, res) => {
     });
 });
 
-app.listen(port, () => {
-    console.log(`CuraFlow WhatsApp Mock Server running at http://localhost:${port}`);
+app.listen(port, '0.0.0.0', () => {
+    console.log(`CuraFlow WhatsApp Mock Server running at http://0.0.0.0:${port}`);
 });
diff --git a/k8s/app.yaml b/k8s/app.yaml
index 0d16389..a4d7d97 100644
--- a/k8s/app.yaml
+++ b/k8s/app.yaml
@@ -37,9 +37,9 @@ kind: Ingress
 metadata:
   name: curaflow-ingress
   annotations:
-    kubernetes.io/ingress.class: apisix
-    cert-manager.io/cluster-issuer: letsencrypt-prod # Common pattern in these setups
+    cert-manager.io/cluster-issuer: letsencrypt-prod
 spec:
+  ingressClassName: apisix
   tls:
   - hosts:
     - curaflow.applaude.net