Learn how to use Vercel's Flags SDK to implement feature flags in Next.js applications. This guide covers the benefits of server-side evaluation, the integration with Vercel Toolbar, and how to use feature flags effectively with no flag provider or with external sources like Edge Config. Understand the principles of feature flags and their progression from simple hardcoded values to more advanced uses, ensuring safer and more efficient deployments.
Table of contents
Basic startGuiding principles of the Flags SDK2. Overriding from Vercel Toolbar3. Using an environment variable4. Using Edge Config4. Using a feature flag providerSort: