feat: add makefile

Makefile

@@ -0,0 +1,31 @@
+COVERAGE_DIR=coverage
+BINARY_DIR=bin
+BINARY_NAME=ess-etl-go
+
+UNAME := $(shell uname -s)
+ifeq ($(UNAME),Darwin)
+	OS = macos
+else ifeq ($(UNAME),Linux)
+	OS = linux
+else
+$(error OS not supported by this Makefile)
+endif
+PACKAGE = $(shell head -1 go.mod | awk '{print $$2}')
+
+lint:
+	golangci-lint run ./...
+goreportcard:
+	goreportcard-cli -v
+test: 
+	go test ./...
+test-coverage:
+	rm -rf ${COVERAGE_DIR}
+	mkdir ${COVERAGE_DIR}
+	go test -v -coverprofile ${COVERAGE_DIR}/cover.out ./...
+	go tool cover -html ${COVERAGE_DIR}/cover.out -o ${COVERAGE_DIR}/cover.html
+benchmark:
+	go test -run none -bench . -benchtime 3s -benchmem	
+build_server:
+	env GOOS=linux CGO_ENABLED=0 GOARCH=amd64 go build -o ${BINARY_DIR}/${BINARY_NAME} ./main.go
+run_server: build_server
+	./${BINARY_DIR}/${BINARY_NAME}