Merge branch '1148-include-anti-affinity-for-pods' into 'development'

Resolve "Include Anti Affinity for pods"

Closes #1148

See merge request !1906

chart/templates/deployment.yaml

@@ -49,10 +49,15 @@ spec:
       tolerations:
 {{ toYaml .Values.tolerations | indent 8 }}
 {{- end }}
-{{- if .Values.affinity }}
       affinity:
-{{ toYaml .Values.affinity | indent 8 }}
-{{- end }}
+        podAntiAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 50
+            podAffinityTerm:
+              labelSelector:
+                matchLabels:
+                  app: {{ template "appname" . }}
+              topologyKey: kubernetes.io/hostname
       volumes:
       - name: secrets
         secret: