Makefile for deploying Python 3 AWS Lambda

Makefile

PROJECT = myProject
FUNCTION = $(PROJECT)
REGION = us-west-1
ENVCHAIN = my-aws-env

all: build

.PHONY: clean build deploy

clean:
	rm -rf build

build: clean
	mkdir -p build/site-packages
	zip -r build/$(FUNCTION).zip . -x "*.DS_Store*" "*.git*" "build*" "Makefile" "requirements.txt"
	python3 -m venv build/$(FUNCTION)
	. build/$(FUNCTION)/bin/activate; \
	pip3 install  -r requirements.txt; \
	cp -r $$VIRTUAL_ENV/lib/python3.6/site-packages/ build/site-packages
	cd build/site-packages; zip -g -r ../$(FUNCTION).zip . -x "*__pycache__*"

deploy: build
	envchain $(ENVCHAIN) aws lambda update-function-code \
		--region=$(REGION) \
		--function-name $(FUNCTION) \
		--zip-file fileb://build/$(FUNCTION).zip \
		--publish