Fixed incorrect yaml schema usage

applications/templates/traefik.yaml

@@ -38,20 +38,23 @@ spec:
             # -- You SHOULD NOT expose the traefik port on production deployments.
             # If you want to access it from outside your cluster,
             # use `kubectl port-forward` or create a secure ingress
-            expose: true
+            expose: 
+              default: true
             # -- The exposed port for this service
             exposedPort: 8080
             # -- The port protocol (TCP/UDP)
             protocol: TCP
           web:
             port: 8000
-            expose: true
+            expose: 
+              default: true
             exposedPort: 80
             protocol: TCP
           websecure:
             # asDefault: true
             port: 8443
-            expose: true
+            expose: 
+              default: true
             exposedPort: 443
             protocol: TCP
             tls: