one replica for now

deploy/k8s/10-deployment.yaml

@@ -15,7 +15,7 @@ spec:
   # reschedule). The flip side: the HPA does not work on a StatefulSet — the
   # controller and the autoscaler fight over the replica count — so scaling
   # means adding nodes and replicas here, not CPU targets.
-  replicas: 2
+  replicas: 1
   podManagementPolicy: Parallel
   selector:
     matchLabels: