aws-docker-lambda-basic-setup/Makefile at main · RomanKaliupinMelonusa/aws-docker-lambda-basic-setup · GitHub

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# Load .env if present
ifneq (,$(wildcard .env))
include .env
export $(shell sed -n 's/^\([A-Za-z_][A-Za-z0-9_]*\)=.*/\1/p' .env)
endif

# Defaults (can be overridden via .env)
APP_NAME        ?= lambda-python-basic
AWS_REGION      ?= us-west-2
AWS_PROFILE     ?= default
ECR_REPO_NAME   ?= $(APP_NAME)
IMAGE_TAG       ?= v0
ARCH            ?= linux/arm64

STACK_INFRA     ?= $(APP_NAME)-infra
STACK_APP       ?= $(APP_NAME)-app

IMAGE_LOCAL     ?= $(APP_NAME):$(IMAGE_TAG)

# Derived at runtime via AWS CLI (requires SSO login/valid creds)
ECR_URI := $(shell aws cloudformation describe-stacks --stack-name $(STACK_INFRA) --query "Stacks[0].Outputs[?OutputKey=='EcrRepoUri'].OutputValue" --output text --region $(AWS_REGION) --profile $(AWS_PROFILE) 2>/dev/null)
ROLE_ARN := $(shell aws cloudformation describe-stacks --stack-name $(STACK_INFRA) --query "Stacks[0].Outputs[?OutputKey=='LambdaRoleArn'].OutputValue" --output text --region $(AWS_REGION) --profile $(AWS_PROFILE) 2>/dev/null)
IMAGE_REMOTE    ?= $(ECR_URI):$(IMAGE_TAG)

.PHONY: help
help:
	@echo "Common targets:"
	@echo "  make build              - Build ARM64 image"
	@echo "  make run-lambda-local   - Run Lambda locally on :9000 with RIE"
	@echo "  make invoke-local       - Invoke local Lambda"
	@echo "  make run-api            - Run FastAPI service on :8000"
	@echo "  make cfn-up-infra       - Deploy ECR repo + IAM role"
	@echo "  make ecr-login          - Docker login to ECR"
	@echo "  make push               - Build/tag/push image to ECR"
	@echo "  make cfn-up-app         - Deploy Lambda (container image) + Function URL"
	@echo "  make invoke-aws         - Invoke deployed Lambda via AWS CLI"
	@echo "  make show-url           - Print Function URL"
	@echo "  make teardown           - Delete both stacks"

.PHONY: build
build:
	docker buildx build --platform $(ARCH) -t $(IMAGE_LOCAL) .

.PHONY: run-lambda-local
run-lambda-local:
	# Starts RIE inside the Lambda base image; listens on :9000 (proxies to :8080 in container)
	docker run --rm -p 9000:8080 \
		--env EXAMPLE_MESSAGE="$(EXAMPLE_MESSAGE)" \
		$(IMAGE_LOCAL)

.PHONY: invoke-local
invoke-local:
	curl -s -XPOST "http://localhost:9000/2015-03-31/functions/function/invocations" \
		-d '{"ping":"pong"}' | python3 -m json.tool

.PHONY: run-api
run-api:
	# Same image, different entrypoint: start the tiny FastAPI app
	docker run --rm -p 8000:8000 \
		--env EXAMPLE_MESSAGE="$(EXAMPLE_MESSAGE)" \
		--entrypoint python \
		$(IMAGE_LOCAL) -m uvicorn app.service:app --host 0.0.0.0 --port 8000

.PHONY: cfn-up-infra
cfn-up-infra:
	aws cloudformation deploy \
		--stack-name $(STACK_INFRA) \
		--template-file cfn/infra.yaml \
		--capabilities CAPABILITY_NAMED_IAM \
		--parameter-overrides AppName=$(APP_NAME) EcrRepoName=$(ECR_REPO_NAME) \
		--region $(AWS_REGION) --profile $(AWS_PROFILE)

.PHONY: ecr-login
ecr-login:
	aws ecr get-login-password --region $(AWS_REGION) --profile $(AWS_PROFILE) | \
		docker login --username AWS --password-stdin $$(aws sts get-caller-identity --query 'Account' --output text --profile $(AWS_PROFILE)).dkr.ecr.$(AWS_REGION).amazonaws.com

.PHONY: push
push: build ecr-login
	@if [ -z "$(ECR_URI)" ]; then echo "ECR_URI empty; run 'make cfn-up-infra' first."; exit 1; fi
	docker tag $(IMAGE_LOCAL) $(IMAGE_REMOTE)
	docker push $(IMAGE_REMOTE)

.PHONY: cfn-up-app
cfn-up-app:
	@if [ -z "$(ROLE_ARN)" ]; then echo "ROLE_ARN empty; run 'make cfn-up-infra' first."; exit 1; fi
	@if [ -z "$(ECR_URI)" ]; then echo "ECR_URI empty; run 'make cfn-up-infra' first."; exit 1; fi
	aws cloudformation deploy \
		--stack-name $(STACK_APP) \
		--template-file cfn/app.yaml \
		--capabilities CAPABILITY_NAMED_IAM \
		--parameter-overrides FunctionName=$(APP_NAME) ImageUri=$(IMAGE_REMOTE) RoleArn=$(ROLE_ARN) ExampleMessage="$(EXAMPLE_MESSAGE)" \
		--region $(AWS_REGION) --profile $(AWS_PROFILE)

.PHONY: invoke-aws
invoke-aws:
	aws lambda invoke --function-name $(APP_NAME) \
		--payload '{"from":"make"}' \
		--cli-binary-format raw-in-base64-out \
		/tmp/out.json \
		--region $(AWS_REGION) --profile $(AWS_PROFILE) >/dev/null && cat /tmp/out.json && echo && rm /tmp/out.json

.PHONY: show-url
show-url:
	aws cloudformation describe-stacks --stack-name $(STACK_APP) \
		--query "Stacks[0].Outputs[?OutputKey=='FunctionUrl'].OutputValue" --output text \
		--region $(AWS_REGION) --profile $(AWS_PROFILE)

.PHONY: teardown
teardown:
	aws cloudformation delete-stack --stack-name $(STACK_APP) --region $(AWS_REGION) --profile $(AWS_PROFILE) || true
	aws cloudformation delete-stack --stack-name $(STACK_INFRA) --region $(AWS_REGION) --profile $(AWS_PROFILE) || true