START_SCRIPT := start
START_SCRIPT_SRC := start.tmpl
INSTALLATION_NAME := openvpn-aria2
DOCKERFILE := Dockerfile
TAG = openvpn-aria2

build: build-docker $(START_SCRIPT)

build-docker: $(DOCKERFILE) start-openvpn.sh
	docker build --tag=$(TAG) .
	echo "This is a marker for the docker build." > $@

$(START_SCRIPT): $(START_SCRIPT_SRC)
	sed -e "s/{TAG}/$(TAG)/g" -e "s/{INSTALLATION_NAME}/$(INSTALLATION_NAME)/g" $< > $@
	chmod +x $@


clean:
	$(RM) build-docker $(START_SCRIPT)

install:
	install -D --mode=755 $(START_SCRIPT) /usr/local/bin/$(INSTALLATION_NAME)