added anti affinity

chart/templates/_helpers.tpl

@@ -41,7 +41,7 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 Selector labels
 */}}
 {{- define "chart.selectorLabels" -}}
-app.kubernetes.io/name: {{ include "chart.name" . }}
+app.kubernetes.io/name: {{ .Release.Name }}
 app.kubernetes.io/instance: {{ .Release.Name }}
 {{- end }}
 

chart/templates/deployment.yaml

@@ -230,10 +230,15 @@ spec:
       nodeSelector:
         {{- toYaml . | nindent 8 }}
       {{- end }}
-      {{- with .Values.affinity }}
       affinity:
-        {{- toYaml . | nindent 8 }}
-      {{- end }}
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 50
+              podAffinityTerm:
+                labelSelector:
+                  matchLabels:
+                    app.kubernetes.io/instance: {{ .Release.Name }}
+                topologyKey: kubernetes.io/hostname
       {{- with .Values.tolerations }}
       tolerations:
         {{- toYaml . | nindent 8 }}