auth: memberships behind the auth-proxy (#106)

* auth proxy ingress added

* removed ingress from install

* port > portName
diff --git a/charts/memberships/values.yaml b/charts/memberships/values.yaml
index c07253f..c4be0f8 100644
--- a/charts/memberships/values.yaml
+++ b/charts/memberships/values.yaml
@@ -1,11 +1,7 @@
 image:
   repository: giolekva/memberships
-  name: memberships
   tag: latest
   pullPolicy: Always
-ingressClassName: ingress-public
-certificateIssuer: example-public
-domain: memberships.example.com
 storage:
   size: 1Gi
-port: 8080
+portName: http