DOCKERFILES_SRC:=template/Dockerfile DOCKERFILES:= \ 18/Dockerfile \ 18/onbuild/Dockerfile \ 18/development/Dockerfile \ 18/alpine/Dockerfile \ 18/alpine/onbuild/Dockerfile \ 18/alpine/development/Dockerfile \ 19/Dockerfile \ 19/onbuild/Dockerfile \ 19/development/Dockerfile \ 19/alpine/Dockerfile \ 19/alpine/onbuild/Dockerfile \ 19/alpine/development/Dockerfile .PHONY: all all: ${DOCKERFILES} $(DOCKERFILES): template/Dockerfile 18/options 19/options bash template/generate.sh $(shell echo $@ | cut -d '/' -f1)/options $^ > $@ .PHONY: clean clean: -rm $(DOCKERFILES)