Learn How to Write AWS Lambda Functions with Three Architecture Layers

This blog post discusses the importance of using the 'handler, logic, and data access layer' architectural pattern in AWS Lambda functions.The three layers ensure well-organized, reusable, and easy-to-maintain code.

• The handler layer is responsible for handling input validation and returning output to the caller.
• The logic layer contains all business domain logic code.
• The data access layer is responsible for accessing the database.