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App-Description.md

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+# Day 19 - Application Architecture and Endpoint Summary
+
+### 🔧 Overview
+
+This application demonstrates a full-stack setup using **React + Redux** on the frontend and **Express + MongoDB** on the backend. It is structured to showcase multiple features while maintaining clarity for learning purposes. The frontend handles the UI and state management using Redux, while the backend manages API routes, database operations, and server-side logic.
+
+### 📐 Project Setup 
+
+This Project is cloned from [Repo](https://github.com/PiyushB752/express-react-fullstack_Zolvit_Day-19). The dependencies are installed using the command "npm install" or "npm i". This project can start using the command "npm run dev".
+
+### ⚙️ Technology Stack
+
+| Layer       | Technology                      |
+|-------------|----------------------------------|
+| Frontend    | React, Redux, Redux-Saga         |
+| Backend     | Node.js, Express.js              |
+| Database    | MongoDB (via Mongoose)           |
+| Dev Tools   | Babel, dotenv, Webpack, Concurrently |
+
+### 🗂 App Structure
+
+#### 🖥️ Frontend
+
+The frontend of this application is built using **React + Redux**. Key components include:
+
+**UI Components**
+1. **Dashboard.jsx** – Main dashboard interface
+2. **Login.jsx** and **Signup.jsx** – Authentication screens
+3. **Navigation.jsx** – Navigation bar
+4. **TaskDetails.jsx** and **TaskList.jsx** – Task-related views
+
+**Redux / State Management**
+1. **mutations.js** – Contains Redux action creators
+2. **sagas.js** – Handles side effects using Redux-Saga
+3. **sagas.mock.js** – Mock data for sagas
+
+#### 🌐 Backend
+
+The backend of this application is built using **Express.js + MongoDB**. Key files include:
+
+1. **server.js** – Main entry point for the Express server
+2. **authenticate.js** – Handles user authentication logic
+3. **connect-db.js** – Establishes connection to MongoDB
+4. **initialize-db.js** – Seeds the database with initial data
+5. **communicate-db.js** – Contains functions to query and mutate the database
+
+### 🏞️ Environment Configuration
+
+| Setting        | Value                                   |
+|----------------|-----------------------------------------|
+| MongoDB URI    | `mongodb://localhost:27017/organizer`   |
+| Frontend Port  | `8080`                                |
+| Backend Port   | `7777`                                  |
+
+### 📡 API Endpoints
+
+| Method | Endpoint         | Description                             |
+|--------|------------------|-----------------------------------------|
+| POST   | `/task/new`      | Adds a new task to the database.        |
+| POST   | `/task/update`   | Updates an existing task in the database. |
+| POST   | `/comment/new`   | Adds a new comment to the task.         |
+| POST   | `/user/create`   | Creating new users                     |
+| POST   | `/authenticate`  | User authentication                   |
+| GET    | `/tasks`         | Getting all task data         |