Production deployment fixes and enhancements

- Added environment variable loading with python-dotenv
- Fixed Docker session permissions by using /tmp directory
- Updated .dockerignore to include .env file properly
- Enhanced docker-compose.yml with env_file directive
- Fixed Gunicorn configuration for Docker compatibility
- Updated README.md with comprehensive deployment docs
- Cleaned up debug logging from API routes
- Added DOMAIN_SETUP.md for reverse proxy guidance
- All production issues resolved and tested working
- Application now accessible at qr.moto-adv.com

Dockerfile

@@ -24,6 +24,7 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy application code
 COPY main.py .
 COPY gunicorn.conf.py .
+COPY .env .
 COPY app/ ./app/
 
 # Create necessary directories