Why Use Express.js on AWS Lambda?

Prerequisites

Step 1: Initialize a Node.js Project with Express

Step 2: Adapt Express App for Lambda Execution

Step 3: Configure the Serverless Framework

Step 4: Local Development with serverless-offline

Step 5: Deploy to AWS Lambda

Step 6: Add Middleware for CORS and JSON Parsing

Considerations for Production Use

When Should You Use This Approach?

Conclusion