Configure address for external ingress service

This service is used with the external ingressController and connects with our public metallb loadBalancer
The important fields to pay attention to here are the:
metadata.annotations metallb.universe.tf/address-pool: public

spec.loadBalancerIP: 199.94.61.6
This is the ip where we are servicing external traffic

cluster-scope/overlays/nerc-ocp-prod/ingresscontrollers/external-apps-ingress-controller.yaml

@@ -17,4 +17,4 @@ spec:
         nerc.mghpcc.org/external-ingress: 'true'
   routeSelector:
     matchLabels:
-      type: external
+      nerc.mghpcc.org/external-ingress: 'true'

cluster-scope/overlays/nerc-ocp-prod/kustomization.yaml

@@ -20,6 +20,7 @@ resources:
 - nodenetworkconfigurationpolicies
 - metallb
 - clusterversion.yaml
+- services/router-external-apps-ingress-controller.yaml
 
 patches:
 - path: ingresscontrollers/default_patch.yaml

cluster-scope/overlays/nerc-ocp-prod/services/router-external-apps-ingress-controller.yaml

@@ -0,0 +1,33 @@
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+    metallb.universe.tf/address-pool: public
+    traffic-policy.network.alpha.openshift.io/local-with-fallback: ""
+  labels:
+    app: router
+    ingresscontroller.operator.openshift.io/owning-ingresscontroller: external-apps-ingress-controller
+    router: router-external-apps-ingress-controller
+  name: router-external-apps-ingress-controller
+  namespace: openshift-ingress
+spec:
+  allocateLoadBalancerNodePorts: true
+  externalTrafficPolicy: Local
+  healthCheckNodePort: 32573
+  internalTrafficPolicy: Cluster
+  ipFamilies:
+  - IPv4
+  ipFamilyPolicy: SingleStack
+  loadBalancerIP: 199.94.61.6
+  ports:
+  - name: http
+    nodePort: 31731
+    port: 80
+    targetPort: http
+  - name: https
+    nodePort: 31651
+    port: 443
+    targetPort: https
+  selector:
+    ingresscontroller.operator.openshift.io/deployment-ingresscontroller: external-apps-ingress-controller
+  type: LoadBalancer