Task Management API

A simple REST API for managing tasks, built with Node.js and Express. Uses in-memory storage — no database required.

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Tech Stack

• Runtime: Node.js
• Framework: Express.js
• Storage: In-memory array

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Project Structure

task-api/
├── src/
│   ├── controllers/
│   │   └── task.controller.js      # Business logic
│   ├── middlewares/
│   │   ├── validate.middleware.js  # Request validation
│   │   └── error.middleware.js     # Global error handler
│   ├── routes/
│   │   └── task.routes.js          # Route definitions
│   ├── store.js                    # In-memory data store
│   ├── app.js                      # Express app setup
│   └── server.js                   # Entry point
├── .gitignore
├── package.json
└── README.md

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Getting Started

1. Clone the repository

git clone https://github.com/dailt1304/Task-Management-API.git
cd Task-Management-API

2. Install dependencies

npm install

3. Run the server

# Development (auto-restart on file change)
npm run dev

# Production
npm start

Server will be running at: http://localhost:3000

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API Endpoints

Method	Endpoint	Description
POST	/tasks	Create new task
GET	/tasks	Get all tasks
GET	/tasks/:id	Get task by ID
PUT	/tasks/:id	Update task
DELETE	/tasks/:id	Delete task

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Request & Response Examples

Create Task

Request

POST /tasks
Content-Type: application/json

{
  "title": "Learn Express"
}

Response 201 Created

{
  "success": true,
  "data": {
    "id": 1,
    "title": "Learn Express",
    "completed": false,
    "createdAt": "2026-03-25T08:00:00.000Z"
  }
}

---

Get All Tasks

Request

GET /tasks

Response 200 OK

{
  "success": true,
  "data": [
    {
      "id": 1,
      "title": "Learn Express",
      "completed": false,
      "createdAt": "2026-03-25T08:00:00.000Z"
    }
  ],
  "total": 1
}

---

Get Task by ID

Request

GET /tasks/1

Response 200 OK

{
  "success": true,
  "data": {
    "id": 1,
    "title": "Learn Express",
    "completed": false,
    "createdAt": "2026-03-25T08:00:00.000Z"
  }
}

---

Update Task

Request

PUT /tasks/1
Content-Type: application/json

{
  "title": "Learn Express Updated",
  "completed": true
}

Response 200 OK

{
  "success": true,
  "data": {
    "id": 1,
    "title": "Learn Express Updated",
    "completed": true,
    "createdAt": "2026-03-25T08:00:00.000Z",
    "updatedAt": "2026-03-25T09:00:00.000Z"
  }
}

---

Delete Task

Request

DELETE /tasks/1

Response 200 OK

{
  "success": true,
  "message": "Task deleted successfully"
}

---

Error Response

{
  "success": false,
  "error": "Task not found"
}