[docker-registry] add optional service annotations (#3238)

stable/docker-registry/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: A Helm chart for Docker Registry
 name: docker-registry
-version: 1.0.0
+version: 1.0.1
 appVersion: 2.6.2
 home: https://hub.docker.com/_/registry/
 icon: https://hub.docker.com/public/images/logos/mini-logo.svg

stable/docker-registry/templates/service.yaml

@@ -7,6 +7,10 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
+{{- if .Values.service.annotations }}
+  annotations:
+{{ toYaml .Values.service.annotations | indent 4 }}
+{{- end }}
 spec:
   type: {{ .Values.service.type }}
   ports:

stable/docker-registry/values.yaml

@@ -10,6 +10,8 @@ service:
   name: registry
   type: ClusterIP
   port: 5000
+  annotations: {}
+  # foo.io/bar: "true"
 ingress:
   enabled: false
   # Used to create an Ingress record.