This code demonstrates how to write a Java AWS Lambda Proxy function to process an incoming binary file with a multipart/form-data Content-Type coming through API Gateway for storage in S3.
This repository is a companion to a blog on this subject, found at: https://blog.corkhounds.com/2019/03/25/uploading-files-to-aws-s3-through-api-gateway-and-lambda-as-multipart-form-data/
The project is offered under the Apache 2.0 license.