💸 CashTrail

CashTrail is a cloud-native, serverless expense tracking SaaS built for scalability and speed. It helps users manage and visualize their financial transactions seamlessly, leveraging a modern web stack powered by Next.js, AWS Lambda, DynamoDB, and Clerk authentication.

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🌐 Overview

CashTrail is designed to provide users with a secure, real-time, and intuitive platform to track expenses, categorize spending, and gain insights into financial health — all hosted in a fully serverless cloud environment.

This repository serves as the monorepo root, containing both the frontend and backend services along with shared configurations, deployment scripts, and environment setups.

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⚙️ Tech Stack

Layer	Technologies Used
Frontend	Next.js, TypeScript, Tailwind CSS, Shadcn UI
Backend	AWS Lambda (Node.js), Serverless Framework, API Gateway
Database	AWS DynamoDB
Authentication	Clerk
Dev Tools	Git, GitHub, Postman

🏗️ Architecture

Frontend (CashTrail Dashboard)
          |
          |  HTTP API Calls (GET, POST, PUT, DELETE)
          v
    API Gateway
          |
          v
      AWS Lambda (Node.js Runtime)
          |
          v
      DynamoDB Table