Docker Swarm Container Terminal WebUI

A modern, secure web interface for managing Docker containers with interactive terminal access.

Features

• 🔐 Secure Authentication - Username/password authentication to protect container access
• 📦 Container Management - View all active containers with real-time status updates
• 💻 Interactive Terminal - Execute commands directly in running containers
• 🎨 Modern UI - Built with Material UI and Next.js for a polished experience
• 🐳 Docker Native - Direct integration with Docker API
• 📱 Responsive Design - Works seamlessly on desktop and mobile devices

Tech Stack

Frontend

• Next.js 14+ - React framework with App Router
• Material UI (MUI) - Modern component library
• TypeScript - Type-safe development
• Tailwind CSS - Utility-first styling

Backend

• Flask - Python web framework
• Docker SDK - Python Docker integration
• Flask-CORS - Cross-origin resource sharing

Deployment

• Docker - Containerized deployment
• Docker Compose - Multi-container orchestration
• CapRover - Docker Swarm deployment platform
• GHCR - GitHub Container Registry for images

Quick Start

Using CapRover (Recommended for Production)

Pre-built deployment packages are available in Releases:

1. Download the latest release packages:

   • backend-caprover-{version}.tar (uncompressed - required by CapRover)
   • frontend-caprover-{version}.tar (uncompressed - required by CapRover)

2. Deploy to CapRover:

   • Upload backend .tar file to your CapRover backend app
   • Upload frontend .tar file to your CapRover frontend app

For detailed instructions, see:

• QUICKSTART.md - Fast deployment guide
• CAPROVER_DEPLOYMENT.md - Complete CapRover setup guide

Using Docker Compose (Local Development)

1. Clone the repository:

git clone https://github.com/johndoe6345789/docker-swarm-termina.git
cd docker-swarm-termina

2. Start the application:

docker-compose up -d

3. Access the application:

• Frontend: http://localhost:3000
• Backend API: http://localhost:5000

4. Login with default credentials:

• Username: admin
• Password: admin123

Manual Setup

Backend Setup

1. Navigate to the backend directory:

cd backend

2. Install Python dependencies:

pip install -r requirements.txt

3. Create .env file (optional):

cp .env.example .env
# Edit .env to set custom credentials

4. Run the Flask application:

python app.py

The backend will be available at http://localhost:5000

Frontend Setup

1. Navigate to the frontend directory:

cd frontend

2. Install Node.js dependencies:

npm install

3. Create .env.local file:

cp .env.local.example .env.local
# Edit if backend is running on a different URL

4. Run the development server:

npm run dev

The frontend will be available at http://localhost:3000

Configuration

Backend Environment Variables

• ADMIN_USERNAME - Admin username (default: admin)
• ADMIN_PASSWORD - Admin password (default: admin123)
• FLASK_ENV - Flask environment (default: development)

Frontend Environment Variables

• NEXT_PUBLIC_API_URL - Backend API URL (default: http://localhost:5000)

API Endpoints

Authentication

• POST /api/auth/login - Authenticate user
• POST /api/auth/logout - Logout user

Containers

• GET /api/containers - List all containers
• POST /api/containers/<id>/exec - Execute command in container

Health

• GET /api/health - Health check endpoint

Deployment Options

CapRover (Docker Swarm)

Production-ready deployment packages are automatically built and published to GitHub Releases.

• Quick Deploy: Upload pre-built tar files to CapRover
• Documentation: See CAPROVER_DEPLOYMENT.md
• Includes: Enhanced Docker socket debugging and diagnostics

Docker Images (GHCR)

Images are automatically built and pushed to GitHub Container Registry:

• Backend: ghcr.io/johndoe6345789/docker-swarm-termina-backend
• Frontend: ghcr.io/johndoe6345789/docker-swarm-termina-frontend

Security Considerations

⚠️ Important Security Notes:

1. Change Default Credentials - Always change the default admin credentials in production
2. Docker Socket Access - The backend requires access to Docker socket (/var/run/docker.sock)
3. Network Security - Use proper firewall rules and network isolation
4. HTTPS - Use HTTPS in production (reverse proxy recommended)
5. Session Management - Current implementation uses simple token-based auth; consider implementing JWT or OAuth for production

Development

Project Structure

.
├── backend/                 # Flask backend
│   ├── app.py              # Main Flask application
│   ├── requirements.txt    # Python dependencies
│   └── Dockerfile          # Backend Docker image
├── frontend/               # Next.js frontend
│   ├── app/                # Next.js app directory
│   ├── components/         # React components
│   ├── lib/                # Utility functions and API client
│   └── Dockerfile          # Frontend Docker image
├── docker-compose.yml      # Docker Compose configuration
└── .github/
    └── workflows/
        └── docker-publish.yml  # GHCR publishing workflow

Building for Production

Build Docker Images

docker-compose build

Push to GHCR

Images are automatically pushed when code is merged to main. To manually push:

docker tag docker-swarm-termina-backend ghcr.io/johndoe6345789/docker-swarm-termina-backend:latest
docker tag docker-swarm-termina-frontend ghcr.io/johndoe6345789/docker-swarm-termina-frontend:latest
docker push ghcr.io/johndoe6345789/docker-swarm-termina-backend:latest
docker push ghcr.io/johndoe6345789/docker-swarm-termina-frontend:latest

License

MIT License - see LICENSE file for details

Contributing

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

Support

For issues, questions, or contributions, please open an issue on GitHub.