add linting

Makefile

@@ -42,6 +42,11 @@ clean:
 fmt:
 	go fmt *.go
 
+lint:
+	go get -u github.com/mgechev/revive
+	revive -config .revive.toml -exclude=./vendor/... ./... || exit 1
+
+
 test: build-docker-image
 
 dist: build-docker-image