CBJ Pastebin

A modern, self-hosted pastebin service with syntax highlighting, code formatting, and file sharing capabilities.

Features

• Syntax Highlighting - Automatic language detection with support for 100+ programming languages
• Code Formatting - Built-in code formatter for cleaner code display
• JSON Tools - JSON formatting and automatic error correction for malformed JSON
• Markdown Support - Full markdown rendering with preview
• File Sharing - Upload files via web interface or command line with password protection
• Expiration Control - Set custom expiration times or keep pastes forever
• Multi-platform - Generate cURL commands for Windows, Linux, and macOS
• Docker Ready - One-command deployment with Docker Compose

Quick Start

Using Docker Compose (Recommended)

git clone https://github.com/binjie09/cbj-tools.git
cd cbj-tools
docker-compose up -d

Access the application at http://localhost:3015

Using Pre-built Image

docker pull ghcr.io/binjie09/gemini-pastebin:latest

docker run -d \
  -p 3015:3015 \
  -e MONGO_URI=mongodb://your-mongo-host:27017/cbj-tools-pastbin \
  -v ./uploads:/app/uploads \
  ghcr.io/binjie09/gemini-pastebin:latest

Command Line Usage

Upload via Pipe

# Linux/macOS
cat file.txt | curl -F 'f=@-' https://your-domain.com

# Upload with expiration (in seconds)
cat file.txt | curl -F 'f=@-' -F 'expiry=3600' https://your-domain.com

Upload a File

# Linux/macOS
curl -F 'f=@/path/to/file.txt' https://your-domain.com

# Windows (PowerShell)
curl.exe -F "f=@C:\path\to\file.txt" https://your-domain.com

Configuration

Environment Variables

Variable	Description	Default
PORT	Server port	3015
MONGO_URI	MongoDB connection string	mongodb://mongo:27017/cbj-tools-pastbin
UPLOAD_DIR	Directory for file uploads	uploads

docker-compose.yml

version: '3.8'
services:
  app:
    image: ghcr.io/binjie09/gemini-pastebin:latest
    ports:
      - "3015:3015"
    environment:
      - MONGO_URI=mongodb://mongo:27017/cbj-tools-pastbin
      - UPLOAD_DIR=uploads
      - PORT=3015
    volumes:
      - ./uploads:/app/uploads
    depends_on:
      - mongo
  mongo:
    image: mongo:latest
    ports:
      - "27017:27017"
    volumes:
      - mongo-data:/data/db

volumes:
  mongo-data:

Tech Stack

Frontend:

• React 19
• Vite
• React Syntax Highlighter
• React Markdown
• i18next (Internationalization)

Backend:

• Express.js 5
• MongoDB with Mongoose
• Multer (File uploads)

Infrastructure:

• Docker & Docker Compose
• GitHub Actions (CI/CD)
• Node.js 22 Alpine

Development

Prerequisites

• Node.js 22+
• MongoDB
• npm or yarn

Local Development

# Install dependencies
cd client && npm install
cd ../server && npm install

# Start MongoDB (or use Docker)
docker run -d -p 27017:27017 mongo:latest

# Start backend
cd server
cp .env.example .env  # Configure your environment
npm run dev

# Start frontend (in another terminal)
cd client
npm run dev

API Reference

Create Paste

POST /api/paste
Content-Type: multipart/form-data

Parameters:
- f: File or text content
- expiry: Expiration time in seconds (optional)
- password: Password protection (optional)

Get Paste

GET /api/paste/:id

Download File

GET /api/download/:id?password=xxx

Advanced Usage

Capturing Terminal Session (Input & Output)

If you want to record your entire terminal session and upload it to the pastebin:

Linux / macOS

Use the script command to record your session:

# Start recording to file 'session.log'
script session.log

# ... Run your commands ...

# Stop recording (press Ctrl+D or type exit)
exit

# Upload the recording
curl -F 'f=@session.log' https://your-domain.com/api/upload

Windows (PowerShell)

Use Start-Transcript to record your session:

# Start recording
Start-Transcript -Path "session.txt"

# ... Run your commands ...

# Stop recording
Stop-Transcript

# Upload the recording
curl -F "f=@session.txt" https://your-domain.com/api/upload

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

• Highlight.js for syntax highlighting
• React Markdown for markdown rendering
• jsonrepair for JSON error correction