diff --git a/Dockerfile b/Dockerfile
index b9ba3800cbcab5c49c345a68ae4eefa97f467aa0..5953860d124b6cc4ca9e915c9af5e4380212a534 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,9 @@
 ARG DOCKER_REGISTRY=registry.cyberbrain.pw
-FROM $DOCKER_REGISTRY/tools/docker/curl:latest
+
+ARG CURL_IMAGE=tools/docker/curl/main
+ARG CURL_TAG=latest
+
+FROM $DOCKER_REGISTRY/$CURL_IMAGE:$CURL_TAG AS runtime
 
 USER root
 
@@ -12,3 +16,5 @@ RUN set -ex && \
 COPY "entrypoint.sh" "/entrypoint.sh"
 
 USER curl_user
+
+FROM runtime AS release