# echo build source?: $BUILD_SRC packages? $packages
 pushd $(dirname "$(realpath "$BASH_SOURCE")") > /dev/null || return 1
 source <(../lib/bash-tpl Dockerfile.tpl ) | grep -v '^# ' > ../Dockerfile
 echo "------------ Created Dockfile from template in Dockerfile.d -------------"
 popd > /dev/null || return 2