🚀 Bitrix CDN Server

Enterprise-grade CDN solution with automatic WebP/AVIF conversion for Bitrix CMS

⚡ Performance Boost

• 70-93% smaller images with WebP/AVIF conversion
• 3x faster page loads with smart content negotiation
• 12 async workers processing 500+ images/minute
• Real-time monitoring with Prometheus + Grafana

🎯 Smart Image Serving

# Intelligent content negotiation
AVIF (best) → WebP (good) → Original (fallback)

• AVIF: 80% quality, maximum compression
• WebP: 85% quality, wide browser support
• Smart detection: Automatic format selection by browser
• Caching: 1-year cache with immutable headers

🏗️ Architecture

┌─────────────────┐    ┌─────────────────┐    ┌─────────────────┐
│   Bitrix CMS    │───▶│   SSHFS Mount   │───▶│  CDN Server     │
│   (Original)    │    │   (Remote)      │    │  (Optimized)    │
└─────────────────┘    └─────────────────┘    └─────────────────┘
                                                       │
                       ┌───────────────────────────────▼───────────────────────────────┐
                       │                    CDN Services                                │
                       │  ┌─────────────┐  ┌─────────────┐  ┌─────────────────────┐  │
                       │  │    Nginx     │  │  Converter  │  │    Monitoring       │  │
                       │  │  (Serving)   │  │ (WebP/AVIF) │  │ (Prometheus/Grafana)│  │
                       │  └─────────────┘  └─────────────┘  └─────────────────────┘  │
                       └───────────────────────────────────────────────────────────────┘

🚀 Quick Start

# 1. Clone repository
git clone https://github.com/AAChibilyaev/bitrix-cdn.git
cd bitrix-cdn

# 2. Start all services
docker compose up -d

# 3. Check status
./docker-manage.sh status

# 4. View monitoring
open http://localhost:3000  # Grafana

📊 Real-time Monitoring

Service	URL	Purpose
Grafana	http://localhost:3000	Performance dashboards
Prometheus	http://localhost:9090	Metrics collection
Health Check	http://localhost:8088/health	Service status

🛠️ Management Commands

# Service management
./docker-manage.sh start     # Start all services
./docker-manage.sh stop      # Stop all services
./docker-manage.sh restart   # Restart all services
./docker-manage.sh status    # Check service status
./docker-manage.sh logs      # View all logs

# Image conversion
./webp-ctl.sh stats         # WebP conversion statistics
./avif-ctl.sh stats         # AVIF conversion statistics
./webp-ctl.sh rescan        # Trigger directory rescan

⚙️ Configuration

Image Quality Settings

# docker-compose.yml
WEBP_QUALITY=85          # WebP quality (1-100)
AVIF_QUALITY=80          # AVIF quality (1-100)
WEBP_WORKER_THREADS=12   # Async workers
WEBP_RATE_LIMIT=500      # Files per minute

Supported Formats

• Input: JPG, JPEG, PNG, GIF, BMP
• Output: WebP, AVIF
• Min Size: 10KB (configurable)

🔧 Production Features

High Availability

• Health checks for all services
• Auto-restart on failure
• Read-only containers for security
• Resource limits and monitoring

Security

• No new privileges security option
• Read-only filesystem for containers
• Rate limiting (100 req/sec per IP)
• CORS headers for cross-origin requests

Performance

• Async processing with 12 workers
• Queue management (10,000 items max)
• Batch processing (50 files per batch)
• Smart caching with immutable headers

📈 Monitoring Dashboards

• CDN Performance: Request rates, response times, cache hit ratios
• Image Conversion: WebP/AVIF conversion statistics
• System Health: CPU, memory, disk usage
• Alerts: Automatic notifications for issues

🎯 Use Cases

• E-commerce: Faster product image loading
• News sites: Optimized article images
• Corporate sites: Reduced bandwidth costs
• High-traffic: Scalable image delivery

📋 Requirements

• Docker 20.10+
• Docker Compose 2.0+
• 4GB RAM minimum
• 10GB disk for image cache

📄 License

MIT License - see LICENSE file

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Made with ❤️ by AAChibilyaev