https://docs.google.com/document/d/1eLHDC7rD6ot5J_hJu7wxQsD3JTrvw-tVmW4s1PRhLPg/edit#
Handle "Malformed Proxy Response" https://stackoverflow.com/questions/43708017/aws-lambda-api-gateway-error-malformed-lambda-proxy-response
Switch method integration type as "AWS_PROXY" vs "AWS"
- Mock Boto3 infra: https://github.com/spulec/moto/
https://medium.com/swlh/a-guide-to-aws-lambdas-using-python-triggered-by-an-api-call-1e768edd13c5 https://docs.aws.amazon.com/code-samples/latest/catalog/python-lambda-lambda_with_api_gateway.py.html https://sourcery.ai/blog/python-best-practices/