How to add Feature Flags to Next.JS

The blog post provides a detailed guide on integrating Feature Flags into a Next.JS App Router project using Statsig, emphasizing the ease of integration with just a few lines of code. It outlines the process of starting a new Next.JS project, installing Statsig with its React SDK, and deploying the application via Vercel. The guide highlights the advantages of using Next.JS, such as performance, developer friendliness, and community support, while advocating for Statsig due to its robust feature flag capabilities. For server-side rendering (SSR), the blog advises using the Statsig-node SDK to optimize for Node.js environments, stressing the importance of using both client and server keys to prevent client-side rendering flickers and improve SEO. The post concludes with deployment instructions to Vercel, ensuring the app can be viewed publicly and feature flag rules updated without redeployment.