Todo Application - Full Stack

Architecture • Quick Start • Documentation

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Overview

Full-stack task management platform combining React Native mobile frontend with FastAPI backend. Cross-platform deployment (iOS, Android, Web) with JWT authentication, real-time CRUD operations, and PostgreSQL persistence. Implements Context API state management, SQLAlchemy ORM, and automated data validation for scalable, production-ready deployment.

Architecture

System Design

Mobile Clients (iOS/Android/Web)
            ↓
    React Native + Expo
            ↓
    REST API (FastAPI)
            ↓
SQLAlchemy ORM / PostgreSQL Database

Repository Structure

todo-app/
├── frontend/          # React Native + Expo application
│   └── [See frontend/README.md for details]
│
├── backend/           # FastAPI REST API
│   └── [See backend/README.md for details]

Technology Stack

Component	Technology
Mobile	React Native, Expo, React Navigation
Backend	FastAPI, Python 3.8+, Uvicorn
Database	PostgreSQL, SQLAlchemy ORM
Auth	JWT, bcrypt, AsyncStorage
API	Axios, Pydantic validation

Quick Start

Prerequisites

• Node.js 16+, Python 3.8+, PostgreSQL 12+
• Expo CLI: npm install -g expo-cli

Installation

# Clone repository
git clone https://github.com/Archi470/Todo-Mobile-Application.git
cd todo-app

Documentation

Detailed documentation available in respective directories:

• Frontend: frontend/README.md
• Backend: backend/README.md