Fix scheme assignment and selector labels for statefulset headless svc (#19494)

Signed-off-by: Nitish Tiwari <nitish@min.io>

stable/minio/Chart.yaml

@@ -1,8 +1,8 @@
 apiVersion: v1
 description: MinIO is a high performance distributed object storage server, designed for large-scale private cloud infrastructure.
 name: minio
-version: 3.0.3
-appVersion: RELEASE.2019-08-07T01-59-21Z
+version: 3.0.4
+appVersion: master
 keywords:
 - storage
 - object-storage

stable/minio/templates/statefulset.yaml

@@ -3,7 +3,7 @@
 {{ $nodeCount := .Values.replicas | int }}
 {{ $scheme := "http" }}
 {{- if .Values.tls.enabled }}
-{{ $scheme = "https" }}
+{{ $scheme := "https" }}
 {{ end }}
 apiVersion: v1
 kind: Service
@@ -22,6 +22,7 @@ spec:
       protocol: TCP
   selector:
     app: {{ template "minio.name" . }}
+    release: {{ .Release.Name }}
 ---
 apiVersion: {{ template "minio.statefulset.apiVersion" . }}
 kind: StatefulSet