Use registry token for image publishing

README.md

@@ -64,6 +64,20 @@ services:
 
 If your Dockge stacks directory is not `/opt/stacks`, change both the host-side volume path and `STACKS_DIR`.
 
+The Gitea workflow publishes this image to the registry:
+
+```text
+git.wilkensxl.de/mrsphay/dockge-image-update-checker:latest
+```
+
+Repository secret required for publishing:
+
+```text
+REGISTRY_TOKEN
+```
+
+`REGISTRY_TOKEN` must be a Gitea access token for `MrSphay` with package write access.
+
 For local development you can still build from source:
 
 ```yaml