Add Clerk authentication to a React app with the Clerk CLI - Part 2

The second part of the series on integrating Clerk authentication into a React app using the Clerk CLI focuses on implementing React SPA-specific authentication patterns and managing Clerk instances through code. It introduces the <Show> component for conditional rendering based on authentication status, emphasizing its use for visual gating rather than security. The text discusses the importance of backend verification for JWTs and the need to allowlist production origins for OAuth flows in Clerk. It also explores "config as code" using the Clerk CLI, which allows developers to manage configurations like sign-in methods and session policies through JSON patches, enhancing the auditability and collaboration in development workflows. The article concludes by highlighting when a client-rendered React app with Clerk is suitable and when a more server-side approach, like Next.js, might be necessary.

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