[sophora-ugc]: remove default keys + changelog

Author: tom-schoener

charts/sophora-ugc/CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## 2.0.7
+- All deployment secrets are optional now. You can use `env` in your `values.yaml` instead of leave it empty.
+
 ## 2.0.6
 - Add support for service accounts
 

charts/sophora-ugc/values.yaml

@@ -29,12 +29,12 @@ authentication:
   secret:
     server:
       name: secret-name
-      usernameKey: username
-      passwordKey: password
+      usernameKey:
+      passwordKey:
     database:
       name: secret-name
-      usernameKey: database-user
-      passwordKey: database-password
+      usernameKey:
+      passwordKey:
     binarystore:
       name: secret-name
       accessKeyKey: binarystore-access-key