Update Makefile

Makefile

@@ -1 +1,19 @@
 # note: call scripts from /scripts
+GOCMD=GO111MODULE=on go
+
+linters-install:
+	@golangci-lint --version >/dev/null 2>&1 || { \
+		echo "installing linting tools..."; \
+		curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh| sh -s v1.21.0; \
+	}
+
+lint: linters-install
+	$(PWD)/bin/golangci-lint run
+
+test:
+	$(GOCMD) test -cover -race ./...
+
+bench:
+	$(GOCMD) test -bench=. -benchmem ./...
+
+.PHONY: test lint linters-install