A comprehensive tutorial for building a serverless sum calculator web application using AWS services. Covers setting up DynamoDB for data storage, creating Lambda functions for backend logic, configuring API Gateway for REST endpoints, and deploying the frontend with AWS Amplify. Includes detailed code examples in Python and JavaScript, step-by-step AWS console instructions, troubleshooting common issues like CORS errors and IAM permissions, and suggestions for extending the application with authentication and real-time features.
Table of contents
Table of ContentsWhat We'll Build: A Serverless Sum CalculatorCore AWS Services We'll UsePrerequisites: What You'll NeedGetting Started: How to Build Our Serverless Web AppHow to Test Your Application: Is It Working?Common Issues and SolutionsNext Steps: Enhance Your ApplicationConclusionSort: