CRUD DynamoDB Serverless App

This project is a complete Serverless CRUD API built using AWS SAM (Serverless Application Model), Node.js, and DynamoDB. It's designed for learning and demo purposes, showcasing how to build, test, and deploy a serverless backend on AWS.

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✅ Features

• Create, Read, Update, Delete (CRUD) APIs
• Powered by AWS Lambda, API Gateway, and DynamoDB
• Local testing with sam local
• Deployed using sam deploy --guided

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📁 Project Structure

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├── src/            # Lambda function handlers
├── events/         # Sample event payloads for testing
├── template.yaml   # SAM template to define AWS infrastructure

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🚀 Deploy the Application

Prerequisites

• Node.js 20+
• Docker
• AWS SAM CLI

Build and Deploy

sam build
sam deploy --guided

You’ll be prompted to enter:

• Stack name (e.g., crud-dynamo-app)
• Region
• Permission to create IAM roles
• Save config for future runs

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🧪 Test Locally with SAM

sam local invoke putItemFunction --event events/event-post-item.json
sam local invoke getAllItemsFunction --event events/event-get-all-items.json
sam local start-api  # run local dev server at http://localhost:3000/

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📚 Resources

• AWS SAM Developer Guide
• Serverless Application Repository

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🙌 Project Status

✅ Done!
This project was successfully built and deployed using AWS SAM, showcasing a functional CRUD API with DynamoDB and Lambda.