Appendix E. Models and mapping
This appendix covers
- API Gateway models and mapping
Chapter 7 gives you a thorough look at the API Gateway. In that chapter you get to create a resource and a GET method, connect it to a Lambda function, and use Lambda proxy integration. Lambda proxy integration makes it straightforward to invoke a Lambda function via the API Gateway and to return a response. Most of the logic takes place in the function, with the Gateway proxying the request to the function and the response to the client.
The API Gateway doesn’t force you to use Lambda proxy integration, however. You can decide how to transform requests and responses within the Gateway and have more control over what goes out of the Gateway. This appendix gives you information about how to implement models and mappings and teaches you other tips and tricks not covered in chapter 7.