Add knobs to set resource limits for elasticsearch+kibana.

@@ -14,8 +14,17 @@ elasticsearch:
   enabled: true
   version: 8.2.3
   count: 2
+  resources:
+    limits:
+      memory: 1.5Gi
+  env:
+    - name: ES_JAVA_OPTS
+      value: "-Xms1g -Xmx1g"
   kibana:
     count: 1
+    resources:
+      limits:
+        memory: 1Gi
 postgresql:
   enabled: true
   clone: {}

@@ -33,6 +33,11 @@ releases:
           version: {{ .Values.elasticsearch.version }}
           elasticsearchRef:
             name: {{ .Values.name }}-moqui
+          podTemplate:
+            spec:
+              containers:
+                - name: kibana
+                  resources: {{ .Values.elasticsearch.kibana.resources | toYaml | nindent 20 }}
     jsonPatches:
       - target:
           group: elasticsearch.k8s.elastic.co
@@ -44,6 +49,14 @@ releases:
           - op: replace
             path: /spec/nodeSets/0/count
             value: {{ .Values.elasticsearch.count }}
+          - op: add
+            path: /spec/nodeSets/0/podTemplate
+            value:
+              spec:
+                containers:
+                  - name: elasticsearch
+                    resources: {{ .Values.elasticsearch.resources | toYaml | nindent 22 }}
+                    env: {{ .Values.elasticsearch.env | toYaml | nindent 22 }}
 
   - name: {{ .Values.name }}-moqui-postgresql
     condition: postgresql.enabled