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

.dockerignore

@@ -23,13 +23,15 @@ wheels/
 *.egg
 
 # Virtual environments
-.env
+.env.*
 .venv
 env/
 venv/
 ENV/
 env.bak/
 venv.bak/
+# Allow production .env file
+!.env
 
 # IDEs
 .vscode/