IPX Image Optimization Service

Endpoints:
- GET /healthcheck - Health check
- GET /_ipx/<modifiers>/<image_url> - Image optimization

Usage Examples:
/_ipx/w_300/https://picsum.photos/800/600
/_ipx/w_300,h_200/https://picsum.photos/800/600
/_ipx/w_300,h_200,f_webp,q_80/https://picsum.photos/800/600
/_ipx/f_webp/https://picsum.photos/400/300
/_ipx/_/https://picsum.photos/400/300 (no modifications)

Supported Modifiers:
- w_<number> - Set width
- h_<number> - Set height
- f_<format> - Set format (webp, jpeg, png, avif)
- q_<number> - Set quality (1-100)
- fit_<mode> - Resize mode (cover, contain, fill, inside, outside)
- pos_<position> - Position (center, top, bottom, left, right, etc.)

Supported Domains:
- picsum.photos
- example.com
- images.unsplash.com

Server running on port 3002