[zookeeper] Fix/allow zookeeper to scale to 0 replicas (CloudPirates-io#196)

* Update values.schema.json to allow zookeeper to scale to 0 replicas

* Bump zookeeper chart version

* Add targetPlatform field for rendering the securityContext

---------

Co-authored-by: Pascal Freund <[email protected]>

Author: pascalfreundsrf

charts/zookeeper/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: zookeeper
 description: Apache ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.
 type: application
-version: 0.1.4
+version: 0.1.5
 appVersion: "3.9.3"
 keywords:
   - zookeeper
@@ -25,4 +25,4 @@ dependencies:
   - name: common
     version: "1.x.x"
     repository: oci://registry-1.docker.io/cloudpirates
-icon: https://a.storyblok.com/f/143071/512x512/07b0f90b58/apache-zookeeper-logo.svg
+icon: https://a.storyblok.com/f/143071/512x512/07b0f90b58/apache-zookeeper-logo.svg

charts/zookeeper/values.schema.json

@@ -33,7 +33,7 @@
         "pullPolicy": { "type": "string", "enum": ["Always", "Never", "IfNotPresent"] }
       }
     },
-    "replicaCount": { "type": "integer", "minimum": 1 },
+    "replicaCount": { "type": "integer", "minimum": 0 },
     "metrics": {
       "type": "object",
       "properties": {
@@ -157,6 +157,10 @@
     },
     "nodeSelector": { "type": "object", "additionalProperties": { "type": "string" } },
     "priorityClassName": { "type": "string" },
+    "targetPlatform": {
+      "type": "string",
+      "description": "Target platform for deployment (e.g., openshift, default)"
+    },
     "tolerations": {
       "type": "array",
       "items": {