feat(chart): add registry secret for pulling from private registries

deploy/chart/wsj-standup/templates/job.yaml

@@ -11,9 +11,9 @@ spec:
       ttlSecondsAfterFinished: 300
       template:
         spec:
-          {{- with .Values.imagePullSecrets }}
+          {{- with .Values.image.pullSecretBase64 }}
           imagePullSecrets:
-            {{- toYaml . | nindent 12 }}
+            - name: {{ include "wsj-standup.fullname" . }}-registry-credentials
           {{- end }}
           serviceAccountName: {{ include "wsj-standup.serviceAccountName" . }}
           containers:

deploy/chart/wsj-standup/templates/registry-secret.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "wsj-standup.fullname" . }}-registry-credentials
+type: kubernetes.io/dockerconfigjson
+data:
+  .dockerconfigjson: {{ .Values.image.pullSecretBase64 }}

deploy/chart/wsj-standup/values.yaml

@@ -3,8 +3,9 @@ image:
   pullPolicy: IfNotPresent
   # Overrides the image tag whose default is the chart appVersion.
   tag: ""
+  pullSecretBase64: null
+
 
-imagePullSecrets: []
 nameOverride: ""
 fullnameOverride: ""