change replica count to 2 to allow proper updates + simple nc rewrite

fogcutter/k8s/haproxy.yml

@@ -4,9 +4,11 @@
 # helm repo add haproxytech https://haproxytech.github.io/helm-charts && helm repo update
 # helm install haproxy haproxytech/kubernetes-ingress --namespace haproxy -f haproxy.yml
 controller:
-  replicaCount: 1
+  replicaCount: 2
   extraArgs:
     - --configmap-tcp-services=haproxy/tcpservices
+  config:
+    path-rewrite: /s/(.*)/p /s/\1/preview
   service:
     type: NodePort
     nodePorts:
@@ -29,4 +31,4 @@ controller:
         nodePort: 30565
 
 defaultBackend:
-  replicaCount: 1
+  replicaCount: 2