Task Manager API

A RESTful Task Manager API built using Node.js, Express.js, MongoDB Atlas, and JWT Authentication.

Live Demo

🌐 Deployed API:

https://task-manager-api-u711.onrender.com

Test the API:

GET /

Response:

"Task Manager API running"

---

Features

✅ User Registration (Signup)

✅ User Login

✅ Password Hashing using bcryptjs

✅ JWT Authentication

✅ Protected Routes

✅ Create Tasks

✅ View Personal Tasks

✅ Update Tasks

✅ Delete Tasks

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Tech Stack

• Node.js
• Express.js
• MongoDB Atlas
• Mongoose
• JWT (jsonwebtoken)
• bcryptjs
• dotenv
• Render

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What I Learned

• Express.js Routing
• Middleware
• MongoDB & Mongoose
• JWT Authentication
• Password Hashing with bcryptjs
• REST API Development
• CRUD Operations
• Environment Variables (.env)
• Git & GitHub
• Cloud Deployment using Render
• Backend Project Structure using Controllers, Routes, Models, and Middleware

---

Project Structure

task-manager-api
│
├── config
│   └── db.js
│
├── controllers
│   ├── authController.js
│   └── taskController.js
│
├── middleware
│   └── verifyToken.js
│
├── models
│   ├── User.js
│   └── Task.js
│
├── routes
│   ├── authRoutes.js
│   └── taskRoutes.js
│
├── .env.example
├── .gitignore
├── README.md
├── package.json
└── server.js

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Installation

1. Clone the Repository

git clone https://github.com/dev-chandan-s/task-manager-api.git

2. Install Dependencies

npm install

3. Create a .env File

PORT=3000

MONGO_URI=YOUR_MONGODB_CONNECTION_STRING

JWT_SECRET=YOUR_SECRET_KEY

4. Start the Server

npm start

---

API Endpoints

Authentication

Register User

POST /api/auth/signup

Login User

POST /api/auth/login

Tasks

Get All Tasks

GET /api/tasks

Create Task

POST /api/tasks

Update Task

PATCH /api/tasks/:id

Delete Task

DELETE /api/tasks/:id

---

Testing the API

The API is deployed and publicly accessible:

https://task-manager-api-u711.onrender.com

You can test it using Postman, Thunder Client, Insomnia, or any REST client.

1. Register a User

Request:

POST https://task-manager-api-u711.onrender.com/api/auth/signup

Body:

{
  "email": "test@example.com",
  "password": "123456"
}

---

2. Login

Request:

POST https://task-manager-api-u711.onrender.com/api/auth/login

Body:

{
  "email": "test@example.com",
  "password": "123456"
}

Response:

{
  "token": "YOUR_JWT_TOKEN"
}

---

3. Create a Task

Request:

POST https://task-manager-api-u711.onrender.com/api/tasks

Headers:

authorization: YOUR_JWT_TOKEN

Body:

{
  "title": "Learn SQL"
}

---

4. Get All Tasks

Request:

GET https://task-manager-api-u711.onrender.com/api/tasks

Headers:

authorization: YOUR_JWT_TOKEN

---

5. Update a Task

Request:

PATCH https://task-manager-api-u711.onrender.com/api/tasks/:id

Headers:

authorization: YOUR_JWT_TOKEN

Replace :id with an actual task ID.

---

6. Delete a Task

Request:

DELETE https://task-manager-api-u711.onrender.com/api/tasks/:id

Headers:

authorization: YOUR_JWT_TOKEN

Replace :id with an actual task ID.

---

Security Features

• Passwords are hashed using bcryptjs.
• JWT Authentication protects task routes.
• Users can only access their own tasks.
• Sensitive credentials are stored in environment variables.

---

Future Improvements

• Task Categories
• Due Dates
• Task Priorities
• User Profile Management
• Pagination
• Input Validation using Express Validator
• Refresh Tokens
• Swagger API Documentation
• Role-Based Authorization

---

Author

Chandan Singh

GitHub: https://github.com/dev-chandan-s

Project Repository: https://github.com/dev-chandan-s/task-manager-api

Live API: https://task-manager-api-u711.onrender.com