Basic Golang & SAM Makefile

Makefile

# Configuration
SAM_ARTIFACT_BUCKET := <artifact-bucket-name>
SAM_STACK_NAME := <sam cloudformation stack name>
SAM_DEPLOY_CAPABILITIES := CAPABILITY_IAM
SAM_TEMPLATE_PARAMETERS := 

export AWS_PROFILE := default
ROOT_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))

.PHONY: build
build:
	@echo "Place Build dependency & config here"

.PHONY: clean
clean: go-clean sam-clean

.PHONY: test
test: go-test

##
##
## Golang
##
##
# All the go files in the ROOT_DIR
GO_FILES := $(shell find ${ROOT_DIR} -type f -name '*.go' ! -name '*_test.go')

# All the go files
GOLANG ?= go
GO_LAMBDA_ENV ?= GOOS=linux GOARCH=amd64
GO_LAMBDA_BUILD_FLAGS ?= -ldflags="-s -w" -tags "lambda.norpc"
GO_LAMBDA_BUILD ?= ${GO_LAMBDA_ENV} ${GOLANG} build ${GO_LAMBDA_BUILD_FLAGS}

bin/%/bootstrap: ${GO_FILES}
	cd ${ROOT_DIR}/cmd/$(patsubst bin/%/bootstrap,%,$@) && ${GO_LAMBDA_BUILD} -o ${ROOT_DIR}/$@ .

.PHONY: go-clean
go-clean:
	rm -rf ./bin
	${GOLANG} clean -testcache
	${GOLANG} mod tidy

.PHONY: go-test
go-test:
	${GOLANG} test -v ./...
	
##
##
## AWS-SAM
##
##
SAM_CLI ?= $(shell which sam)
AWS_CLI ?= $(shell which aws)
SAM_TEMPLATE_FILE ?= ${ROOT_DIR}/template.yml
SAM_PACKAGE_FILE ?= ${ROOT_DIR}/packaged.yml

.PHONY: sam-package
sam-package: build
	${SAM_CLI} package \
		--template ${SAM_TEMPLATE_FILE} \
		--output-template-file ${SAM_PACKAGE_FILE} \
		--s3-bucket ${SAM_ARTIFACT_BUCKET}

.PHONY: sam-deploy
sam-deploy: sam-package
	${AWS_CLI} cloudformation deploy \
		--template-file ${SAM_PACKAGE_FILE} \
		--stack-name ${SAM_STACK_NAME} \
		--capabilities ${SAM_DEPLOY_CAPABILITIES} \
		--parameter-overrides ${SAM_TEMPLATE_PARAMETERS}

.PHONY: sam-clean
sam-clean:
	rm -rf ${SAM_PACKAGE_FILE}