add Makefile

Makefile

@@ -0,0 +1,45 @@
+# Makefile
+
+NAME = tsctl
+ENTRY = ./cmd/$(NAME)/main.go
+BIN_DIR = bin
+BINARY = ${BIN_DIR}/$(NAME)
+CHECK_LINTER = command -v golangci-lint >/dev/null 2>&1
+CHECK_IMPORTS = command -v goimports >/dev/null 2>&1
+PATH := $(PATH):$(HOME)/go/bin
+
+lint-tools:
+	@if ! $(CHECK_LINTER); then \
+		curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | \
+			GOLANGCI_LINT_VERSION=v1.62.2 sh -s -- -b $$HOME/go/bin; \
+	fi
+
+imports-tools:
+	@if ! $(CHECK_IMPORTS); then \
+		go install golang.org/x/tools/cmd/goimports@latest; \
+	fi
+
+.PHONY: all build run test lint fmt imports
+
+all: build
+
+run: build
+	@echo "-- running $(NAME)"
+	@$(BINARY)
+
+build:
+	@echo "-- building $(NAME)"
+	@go build -o $(BINARY) $(ENTRY)
+
+test:
+	@echo "-- testing $(NAME)"
+	@go test ./... -count=1 -v
+
+lint: lint-tools
+	@golangci-lint run ./...
+
+fmt:
+	@go fmt ./...
+
+imports: imports-tools
+	@goimports -w .