Todo List Application

A simple, yet well-structured todo list application built with Node.js/Express backend and vanilla JavaScript frontend. Features in-memory storage, Docker support, and comprehensive testing.

Project Structure

Core Application Files

• index.html - Main frontend interface
• style.css - Application styling
• app.js - Frontend JavaScript logic
• server.js - Express backend server

Configuration Files

• package.json - Project dependencies and scripts
• .env - Environment variables configuration
• .gitignore - Git ignore patterns
• .dockerignore - Docker ignore patterns
• Dockerfile - Docker container configuration

Documentation

• APP.md - Detailed application architecture and design patterns
• DOCKER.md - Docker setup and best practices
• TESTING.md - Testing strategy and examples

Testing

• server.test.js - API endpoint tests using Jest and Supertest

Quick Start

1. Install dependencies:

npm install

2. Start the application:

npm start

3. Run tests:

npm test

Docker Support

Build and run with Docker:

docker build -t mytodolist .
docker run -p 3000:3000 mytodolist

Key Features

1. Frontend

   • Clean, responsive UI
   • Real-time updates
   • Error handling

2. Backend

   • RESTful API
   • Express server
   • In-memory storage

3. Development

   • Hot reloading support
   • Environment configuration
   • Comprehensive testing

Documentation Highlights

1. Application Architecture (APP.md)

   • Component hierarchy
   • Design patterns
   • Code organization

2. Docker Setup (DOCKER.md)

   • Container architecture
   • Best practices
   • Development workflow

3. Testing Strategy (TESTING.md)

   • Test architecture
   • Example tests
   • Best practices

API Endpoints

• GET /api/todos - Retrieve all todos
• POST /api/todos - Create a new todo
• PUT /api/todos/:id - Toggle todo completion
• DELETE /api/todos/:id - Remove a todo

Scripts

• npm start - Start the server
• npm test - Run tests
• npm run dev - Start with hot reloading

Further Reading

• Detailed design patterns in APP.md
• Docker configuration in DOCKER.md
• Testing examples in TESTING.md