init

Author: sawanoboly

.gitignore

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+python/
+layer.zip

Makefile

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+AWS_PROFILE := default
+AWS_REGION := ap-northeast-1
+AWS_ACCOUNT_ID := $(shell aws --profile $(AWS_PROFILE) sts get-caller-identity --query Account --output text)
+PYTHON_VERSION := 3.11
+PIP_COMAND := pip$(PYTHON_VERSION)
+ARCHITECTURE := arm64
+PLATFORM := linux/$(ARCHITECTURE)
+LAYER_NAME := psycopg2-binary-$(PYTHON_VERSION)-$(ARCHITECTURE)
+CONTAINER_IMAGE := public.ecr.aws/lambda/python:$(PYTHON_VERSION)
+
+.PHONY: push deploy
+
+build:
+	docker run --rm \
+		--platform=$(PLATFORM) \
+		-v $(PWD):/work \
+		-w /work \
+		--entrypoint $(PIP_COMAND) \
+		$(CONTAINER_IMAGE) \
+		install -r requirements.txt -t python
+	find python/ -name '*.pyc' -delete
+	find python/ -name '__pycache__' -type d  -delete
+	zip -r layer.zip python/
+	unzip -l layer.zip
+
+deploy: build
+	aws --profile $(AWS_PROFILE) --region $(AWS_REGION) \
+		lambda publish-layer-version --layer-name $(subst .,-,$(LAYER_NAME)) \
+		--description "psycopg2-binary $(PYTHON_VERSION) $(ARCHITECTURE)" \
+		--zip-file fileb://layer.zip \
+		--compatible-runtimes python$(PYTHON_VERSION) \
+		--compatible-architectures $(ARCHITECTURE)
+	rm -rf python/ layer.zip

README.md

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-# lambda-layer-psycopg2-binary
+# lambda-layer-psycopg2-binary
+
+install psycopg2-binary
+
+## requirements
+
+- docker (or compatible runtime)
+- AWS-CLI
+- GNU Make
+
+## Deploy
+
+```
+$ AWS_PROFILE=`YOUR_PROFILE` make -e push
+
+#=> "arn:aws:lambda:${REGION}:${YOUR_AWS_ACCOUNT_ID}:layer:psycopg2-binary-3-11-arm64:1"
+```
+
+
+
+### option (envs)
+
+```
+export AWS_PROFILE=...
+export AWS_REGION=...
+export ARCHITECTURE=[amd64|arm64]
+```
+
+check Makefile.
+

requirements.txt

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+psycopg-binary