Make replicas configurable

Author: psy-q

component/main.jsonnet

@@ -65,9 +65,9 @@ local deployment = kube.Deployment('maxscale') {
     },
   },
   spec+: {
+    replicas: params.replicas,
     template+: {
       spec+: {
-        replicas+: params.replicas,
         containers_+: {
           maxscale: kube.Container('maxscale') {
             image: params.images.maxscale.image + ':' + params.images.maxscale.tag,

docs/modules/ROOT/pages/references/parameters.adoc

@@ -14,7 +14,7 @@ The namespace in which to deploy this component.
 
 [horizontal]
 type:: integer
-default:: `1`
+default:: `2`
 
 How many replicas the deployment has.