cambios en script y version

README.md

@@ -7,8 +7,10 @@ If you want to learn more about Quarkus, please visit its website: https://quark
 ## Building and deploying natively
 
 Build the native image with the Mandrel-based multi-stage Dockerfile and push it
-directly to a remote Docker host via [unregistry](https://github.com/psviderski/unregistry)
-(no external registry required; only missing layers are transferred over SSH):
+to a remote Docker host over an SSH tunnel. The script starts a temporary
+`registry:2` container on the remote (localhost only), forwards it to the build
+machine, pushes the image through that tunnel, then pulls and retags it on the
+remote Docker daemon. No external registry is required.
 
 ```shell script
 ./scripts/build-and-push.sh --remote deploy@prod.example.com
@@ -16,7 +18,8 @@ directly to a remote Docker host via [unregistry](https://github.com/psviderski/
 
 The script reads `artifactId` and `version` from `pom.xml` for the image name
 and tag, builds for `linux/amd64`, and verifies the image is present on the
-remote after pushing. See `./scripts/build-and-push.sh --help` for all flags.
+remote after pushing. The temporary registry container and SSH tunnel are removed
+when the script finishes. See `./scripts/build-and-push.sh --help` for all flags.
 
 It can be invoked from any directory: by default it resolves the project root
 from the script's own location. Override with `--project-dir PATH` or the