Update documentation and example values

examples/values-dev.yaml

@@ -8,11 +8,27 @@
 #   helm install postgresql oci://registry-1.docker.io/bitnamicharts/postgresql -n flow
 #
 # Or use your own deployments/operators.
+#
+# HARBOR CREDENTIALS:
+# Pass Harbor credentials during install:
+#   helm install flow ./helm/flow -f values-dev.yaml \
+#     --set global.imageCredentials.enabled=true \
+#     --set global.imageCredentials.username=$HARBOR_USER \
+#     --set global.imageCredentials.password=$HARBOR_PASSWORD
 
 global:
   imageRegistry: "cr.kn.entit.eu"
-  imagePullSecrets:
-    - flow-registry-credentials
+  
+  # Harbor registry credentials - creates dockerconfigjson secret automatically
+  # Harbor requires authentication even for public repositories
+  # Enable and set credentials via --set flags during install:
+  #   --set global.imageCredentials.enabled=true
+  #   --set global.imageCredentials.username=$HARBOR_USER
+  #   --set global.imageCredentials.password=$HARBOR_PASSWORD
+  imageCredentials:
+    enabled: false  # Set to true and provide credentials during install
+    username: ""
+    password: ""
   
   azureAd:
     enabled: false  # Disable auth for local development