https://github.com/pro-majidul/employ-management-system-server-side

🚀This document outlines the server-side architecture, technologies, and configurations for the Employee Management System backend. It is designed to handle authentication, role-based access control, data management, and integration with the frontend.
https://github.com/pro-majidul/employ-management-system-server-side

cookies cors dotenv jwt stripe-payments

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🚀This document outlines the server-side architecture, technologies, and configurations for the Employee Management System backend. It is designed to handle authentication, role-based access control, data management, and integration with the frontend.

• Host: GitHub
• URL: https://github.com/pro-majidul/employ-management-system-server-side
• Owner: pro-majidul
• Created: 2025-01-29T18:46:57.000Z (5 days ago)
• Default Branch: main
• Last Pushed: 2025-01-29T18:49:46.000Z (5 days ago)
• Last Synced: 2025-01-29T19:37:03.303Z (5 days ago)
• Topics: cookies, cors, dotenv, jwt, stripe-payments
• Language: JavaScript
• Homepage:
• Size: 0 Bytes
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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# 🚀 Employee Management System - Backend Documentation

This document outlines the server-side architecture, technologies, and configurations for the **Employee Management System** backend. It is designed to handle authentication, role-based access control, data management, and integration with the frontend.

---

## 🛠️ Key Features

### Authentication and Authorization

- JWT-based authentication for secure API access.

- Role-based access control for Admin, HR, and Employee functionalities.

### RESTful API Endpoints

- Fully-featured CRUD operations for managing employees, tasks, payroll, and user roles.

- Middleware for validating user roles and permissions.

### Data Management

- MongoDB as the database for storing user, task, and payroll data.

### Payment Processing

- Payment gateway integration for secure and seamless salary transactions.

- Ensures unique salary payments for each month/year combination.

### Performance Optimizations

- Efficient query handling using indexed database fields.

- Data filtering and pagination for large datasets.

### Secure Configuration

- Environment variables to protect sensitive data like database credentials and JWT secrets.

- Sanitized inputs to prevent injection attacks.

---

## 🔨 Technologies Used

### Core Stack

- **Node.js**: Server-side runtime environment.

- **Express.js**: Framework for building RESTful APIs.

- **MongoDB**: NoSQL database for flexible data storage.

- **JSON Web Token (JWT)**: Secure user authentication and role validation.

### Additional Libraries

- **dotenv**: Environment variable management.

- **cors**: Cross-Origin Resource Sharing for frontend-backend communication.

---

## 🌐 API Endpoints

### Authentication

- **POST /api/auth/register**: Register a new user (Employee or HR).

- **POST /api/auth/login**: Authenticate user and issue JWT.

### Employee Management

- **GET /api/employees**: Retrieve all employees (Admin/HR only).

- **POST /api/employees**: Add a new employee (HR only).

- **PUT /api/employees/:id**: Update employee details (Admin/HR only).

- **DELETE /api/employees/:id**: Delete an employee (Admin only).

### Task Management

- **GET /api/tasks**: Retrieve tasks for the logged-in employee.

- **POST /api/tasks**: Add a new task.

- **PUT /api/tasks/:id**: Edit a task.

- **DELETE /api/tasks/:id**: Delete a task.

### Payroll

- **GET /api/payroll**: Retrieve payroll data for an employee.

- **POST /api/payroll**: Process salary payments (HR/Admin only).

---

## 🛠️ Setup Instructions

1. **Clone the Repository:**

   ```bash

   git clone 

   cd server

   ```

2. **Install Dependencies:**

   ```bash

   npm install

   ```

3. **Environment Variables:**

   Create a `.env` file in the root directory with the following keys:

   ```env

   PORT=9000

   MONGO_URI=your_mongodb_connection_string

   JWT_SECRET=your_jwt_secret

   PAYMENT_GATEWAY_KEY=your_payment_gateway_key

   ```

4. **Run the Server:**

   ```bash

   npm run dev

   ```

5. **Access the Backend:**

   - API Base URL: `http://localhost:9000`

---

## 🔐 Middleware

### Authentication Middleware

- Validates JWT tokens to ensure secure access to protected routes.

### Role Validation Middleware

- Ensures only authorized roles can access specific endpoints (e.g., Admin, HR).

---

## 🚀 Deployment

1. **Deploy the Server:**

   Use platforms like **Vercel**, **Render**, or **Heroku**.

2. **Environment Setup:**

   Add environment variables to the deployment platform.

3. **Test the APIs:**

   Use tools like Postman or Insomnia to test the endpoints.

---

Feel free to enhance and scale the backend system as needed. If you have any questions or need further assistance, don’t hesitate to reach out! 😊