--- a/Dockerfile	Fri May 20 18:28:51 2022 +0200
+++ b/Dockerfile	Fri May 20 18:41:18 2022 +0200
@@ -22,7 +22,7 @@
 # easy to remember 'build' alias to invoke main makefile
 ARG OWNDIRBASENAME=beremiz_public_dist
 ENV OWNDIRBASENAME ${OWNDIRBASENAME}
-RUN /bin/echo -e '#!/bin/bash\necho XXXX \$*\nmake -f /home/'$UNAME'/src/'$OWNDIRBASENAME'/Makefile \$*' > /usr/local/bin/build
+RUN /bin/echo -e '#!/bin/bash\necho XXXX $$*\nmake -f /home/'$UNAME'/src/'$OWNDIRBASENAME'/Makefile $$*' > /usr/local/bin/build
 RUN chmod +x /usr/local/bin/build
 
 USER $UNAME

--- a/build_in_docker.sh	Fri May 20 18:28:51 2022 +0200
+++ b/build_in_docker.sh	Fri May 20 18:41:18 2022 +0200
@@ -3,6 +3,7 @@
 CONTAINER=beremiz_public_builder_current
 
 docker start $CONTAINER 
+echo exec docker with $*
 docker exec $CONTAINER bash -c build $*
 docker stop $CONTAINER