SAM Lambda Layers

cd lambda-layer-python

sam build

# run lambda with layer locally
# `--force-image-build` to clear out layer cache
sam local invoke --force-image-build

# start local api endpoint
sam local start-api --force-image-build
curl http://127.0.0.1:3000/

# deploy
sam deploy --guided

# run lambda behind api gateway endpoint
curl https://hl6u5bubr4.execute-api.us-east-1.amazonaws.com/Prod/