- Add API_DOMAIN env var to set domain/IP for API in production
- Update swagger.config.js to use dynamic server URLs
- Update server.js CORS configuration to use API_DOMAIN
- Update env.example with new API_DOMAIN field
- Add comprehensive documentation in README.md
- Fixes CORS issues in Swagger docs for production deployments
- Remove redeemId from successful redemption response
- Remove redeemId from error response
- Update swagger documentation to remove redeemId field
- Update README examples to remove redeemId field
- Clean up API response format for better simplicity