certs

apps/base/customer1/apigateway.yaml

@@ -3,8 +3,6 @@ kind: Gateway
 metadata:
   name: external-http-gateway
   namespace: customer1
-  annotations:
-    networking.gke.io/certmap: devops-lab-cert-map
 spec:
   gatewayClassName: gke-l7-global-external-managed  # Use gke-l7-global-external-http for external, or gke-l7-rilb for internal
   listeners:
@@ -13,7 +11,10 @@ spec:
     port: 443
     tls:
       mode: Terminate
-      certificateRefs: [] 
+      certificateRefs:
+      - group: networking.gke.io        # This tells K8s it's a GKE-specific resource
+        kind: CertificateMap            # This tells K8s it's not a Secret
+        name: devops-lab-cert-map 
     allowedRoutes:
       namespaces:
         from: All