publish python layer in AWS Lambda easily

README.md

curl https://gist.githubusercontent.com/umihico/8b1082980f29c9d72c69ff0a937f6ce8/raw/publish_python_layer.sh|bash lxml

docker-compose.yml

version: '3'
services:
  app:
    image: lambci/lambda:build-python3.7
    volumes:
      - '.:/var/task'
    working_dir: /var/task
    command: bash -c 'mkdir python && pip install -r requirements.txt -t ./python lxml && zip -r layer.zip python && rm -rf python'

publish_python_layer.sh

wget https://gist.githubusercontent.com/umihico/8b1082980f29c9d72c69ff0a937f6ce8/raw/docker-compose.yml
echo $1>requirements.txt
docker-compose up
aws lambda publish-layer-version --layer-name $1 --zip-file fileb://layer.zip --compatible-runtimes python3.7
rm -rf layer.zip