Dockerfile

 ARG DOCKER_REGISTRY=registry.cyberbrain.pw
-FROM $DOCKER_REGISTRY/tools/docker/ubuntu:latest AS source
+FROM $DOCKER_REGISTRY/tools/docker/ubuntu/main AS runtime
 
 RUN set -ex && \
     apt-get update -y && \
@@ -13,3 +13,5 @@ RUN set -ex && \
 
 VOLUME [ "/backup" ]
 ENTRYPOINT [ "/entrypoint.sh" ]
+
+FROM runtime AS release