AppSync Expense Tracker

Introduction

AppSync Expense Tracker is a demo application that leverages a suite of AWS services for real-time, automated expense reporting. This application integrates AWS AppSync, Amazon Cognito, Amazon Textract, DynamoDB, and S3 to create a seamless yet simple user experience.

Key Features:

• Real-time Automated Expense Reporting: Utilizes AWS AppSync for instant data synchronization.
• Secure Authentication: Integrates Amazon Cognito for user authentication and management.
• Intelligent Document Processing: Employs Amazon Textract for accurate extraction of expense details from images.
• Scalable Database Storage: Uses DynamoDB for storing expense data with high availability.
• Reliable File Storage: Leverages S3 for secure storage of expense images.

Frontend

The frontend of AppSync Expense Tracker is built using React and NextJS, providing a robust and scalable web application. AWS Amplify UI libraries are integrated to offer a rich UI experience and JavaScript client-side helpers for seamless AWS interactions.

Frontend Features:

• React and NextJS: Modern JavaScript frameworks for building interactive UIs.
• AWS Amplify UI Libraries: Pre-built UI components and workflows for AWS services.

Backend

The backend infrastructure is created using the AWS Cloud Development Kit (CDK), ensuring a programmatically defined, version-controlled, and reliable AWS environment.

Backend Features:

• AWS CDK: Infrastructure as Code for defining cloud resources.
• Integration with AWS Services: Seamless connectivity with AWS AppSync, Cognito, Textract, DynamoDB, and S3.

Functionality

• Expense Image Upload: Users can upload images of their receipts or bills.
• Data Extraction and Storage:
  • Amazon Textract: Extracts details from the uploaded images.
  • DynamoDB: Stores the extracted expense data.
  • S3 Bucket: Stores the images, accessed via presigned URLs for security.

Sample Application

This application is a sample implementation and serves as a blueprint for building real-time, automated expense tracking solutions. The contents of the S3 bucket are accessible via presigned URLs, ensuring data security and integrity.

Getting Started

To get started with AppSync Expense Tracker, clone the repository and follow the setup instructions provided in the documentation.