cleanup

Makefile

@@ -1,16 +1,16 @@
 MAKEFLAGS += --silent
-
 .PHONY: *
 
-REPOSITORY=fedy95/baseimage:yamllint
-TAG=latest
+LOCAL_REPOSITORY=fedy95/baseimage:yamllint
+YAMLLINT_TAG=latest
 
-build-yamllint:
-	docker build -t ${REPOSITORY}-${TAG} image -f image/Dockerfile
+lint: lint-yaml
 
-lint: build-yamllint
-	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data ${REPOSITORY}-${TAG} .
+build-yamllint:
+	docker build -t ${LOCAL_REPOSITORY}-${YAMLLINT_TAG} image -f image/Dockerfile
+lint-yaml: build-yamllint
+	docker run --rm -it -v $(PWD):/data ${LOCAL_REPOSITORY}-${YAMLLINT_TAG} .
 lint_help: build-yamllint
-	docker run --rm -v $(pwd):/data ${REPOSITORY}-${TAG} --help
+	docker run --rm -it -v $(PWD):/data ${LOCAL_REPOSITORY}-${YAMLLINT_TAG} --help
 
 .DEFAULT_GOAL := lint