feat(helm): add PodDisruptionBudget and run staging in two replicas

charts/backoffice/templates/pdb.yaml

@@ -0,0 +1,13 @@
+{{- if gt .Values.replicaCount 1 }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ .Release.Name }}
+spec:
+  minAvailable: {{ .Values.pdb.minAvailable }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ .Chart.Name }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      app.kubernetes.io/component: backend
+{{- end }}

charts/backoffice/values.staging.yaml

@@ -1,3 +1,5 @@
+replicaCount: 2
+
 ingress:
   enabled: true
   host: staging.backoffice.mareshq.com