This Serverless plugin automates the process of adding binary files support in API Gateway.

npm install --save-dev serverless-apigw-binaryserverless.yml:
plugins:
 - serverless-apigw-binary
custom:
  apigwBinary:
    types:           #list of mime-types
      - 'image/jpeg'
      - 'text/html'serverless deploy    # Plugin runs within serverless deploy hook- Angular Universal + AWS Lambda + API Gateway - binary support example : AWS Lambda + API Gateway - live demo
 - Node.js + AWS Lambda + API Gateway - binary support example : Node.js + AWS Lambda + API Gateway - binary support live demo
 
Something missing? More documentation? All PRs welcome at https://github.com/maciejtreder/serverless-apigw-binary