add topologySpreadConstraint to controller

charts/ingress-nginx/values.yaml

@@ -209,6 +209,17 @@ controller:
     #         - controller
     #     topologyKey: "kubernetes.io/hostname"
 
+  ## Topology spread constraints rely on node labels to identify the topology domain(s) that each Node is in.
+  ## Ref: https://kubernetes.io/docs/concepts/workloads/pods/pod-topology-spread-constraints/
+  ##
+  topologySpreadConstraints: []
+    # - maxSkew: 1
+    #   topologyKey: failure-domain.beta.kubernetes.io/zone
+    #   whenUnsatisfiable: DoNotSchedule
+    #   labelSelector:
+    #     matchLabels:
+    #       app.kubernetes.io/instance: ingress-nginx-internal
+
   ## terminationGracePeriodSeconds
   ## wait up to five minutes for the drain of connections
   ##