[stable/dex] Add initContainers support (#15588)

Signed-off-by: Martin Hrabovcin <mhrabovcin.c@mesosphere.com>

stable/dex/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: dex
-version: 2.5.0
+version: 2.6.0
 appVersion: 2.19.0
 description: CoreOS Dex
 keywords:

stable/dex/templates/deployment.yaml

@@ -37,6 +37,10 @@ spec:
 {{ toYaml .Values.podAnnotations | indent 8 }}
         {{- end }}
     spec:
+{{- if .Values.initContainers }}
+      initContainers:
+        {{- toYaml .Values.initContainers | nindent 8 }}
+{{- end }}
       serviceAccountName: {{ template "dex.serviceAccountName" . }}
       nodeSelector:
 {{ toYaml .Values.nodeSelector | indent 10 }}

stable/dex/values.yaml

@@ -13,6 +13,8 @@ nodeSelector: {}
 
 podAnnotations: {}
 
+initContainers: []
+
 tolerations: []
   # - key: CriticalAddonsOnly
   #   operator: Exists