Documentation

Kỹ năng viết tài liệu kỹ thuật hiệu quả.

Types of Documentation

1. Requirements Document (PRD/SRS)

Product Requirements Document
Software Requirements Specification
Mô tả chi tiết features và requirements

2. Technical Specification

Architecture diagrams
Database schema
API documentation
Technology stack

3. User Documentation

User guides
Help articles
FAQs
Tutorials

4. Developer Documentation

README files
Code comments
API references
Setup guides

Document Structure

# Project Name

## Overview

Brief description of the project

## Features

-   Feature 1
-   Feature 2

## Technical Stack

-   Frontend: React + TypeScript
-   Backend: Node.js + Express
-   Database: PostgreSQL

## Setup

1. Clone repo
2. Install dependencies: `npm install`
3. Run: `npm run dev`

## API Documentation

### GET /api/users

Returns list of users

**Response:**

```json
{
  "data": [...]
}
```

Contributing

Guidelines for contributors

## README Template

```markdown
# Project Name

Brief description

## Features
- Feature list

## Installation
```bash
npm install

Usage

npm run dev

Environment Variables

DATABASE_URL=...
JWT_SECRET=...

License

MIT

## API Documentation

```markdown
## Login
`POST /api/login`

**Request:**
```json
{
  "email": "user@example.com",
  "password": "password123"
}

Response:

{
  "token": "eyJhbGc...",
  "user": {
    "id": 1,
    "email": "user@example.com"
  }
}

Status Codes:

200 - Success
401 - Invalid credentials
400 - Validation error

## Best Practices

1. **Keep it updated** - Sync with code changes
2. **Be concise** - Clear and to the point
3. **Use examples** - Show don't just tell
4. **Proper formatting** - Make it readable
5. **Version control** - Track documentation changes