As you move your Mapbox React app toward production, you need to ensure it is optimized, reliable, and ready for real-world users. Start by focusing on build optimization: use tools like code splitting and tree shaking to reduce bundle size, and make sure your assets are minified for faster loading. Mapbox maps can be data-intensive, so lazy load map components when possible and avoid rendering unnecessary layers or features. Error handling is also critical—catch and log errors from the Mapbox API and React components, and provide user-friendly messages if the map fails to load or if there are connectivity issues. Monitoring is another essential step for production apps. Track the app’s performance, watch for exceptions, and monitor API usage to prevent outages or unexpected costs. By following these steps, you ensure your Mapbox React app is fast, stable, and scalable for all users.