This code comes from the https://aws.amazon.com/blogs/developer/handling-arbitrary-http-requests-in-amazon-api-gateway/
To run the build, source the desired environment
source setenv.sh
make deploy
Take the IDs for the API Gateway and the Lambda functions and update the setenv_dev_green.sh
Build out the Lambda functions associate the new gateway with the usage key.
make -f build/Makefile deploy-api-key
make -f build/Makefile update-lambda-layer