fix: helm - image tag and imagePullPolicy to correctly inherit from values (#2472)

* fix image tag and imagePullPolicy to correcy inherit from values, with sane defaults (ifNotPresent and latest)

* fix default service ports for http and https in service.yaml

Co-authored-by: Jeffrey Forman <jforman@gmail.com>

***NO_CI***

dev/helm/templates/service.yaml

@@ -12,11 +12,11 @@ metadata:
 spec:
   type: {{.Values.service.type}}
   ports:
-    - port: {{.Values.service.port}}
+    - port: {{ default "80" .Values.service.port}}
       targetPort: http
       protocol: TCP
       name: http
-    - port: {{.Values.service.httpsPort}}
+    - port: {{ default "443" .Values.service.httpsPort}}
       targetPort: http
       protocol: TCP
       name: https