Use makefile for releasing installer

Makefile

@@ -1,4 +1,4 @@
-.PHONY: test shellcheck docopt kcov codecov
+.PHONY: test shellcheck docopt kcov codecov release-installer
 
 test:
 	@sudo DOCKER_CONTEXT=default docker run \
@@ -43,3 +43,8 @@ codecov: SHELL:=/bin/bash
 codecov:
 	@bash <(curl -s https://codecov.io/bash) \
 		-s coverage -t $$(pass show hosts/swarm.autonomic.zone/drone/codecov/token)
+
+release-installer:
+	@docker stack rm abra-installer-script && \
+		cd installer && \
+		docker stack deploy -c compose.yml abra-installer-script