This article explores secure session management using JWE and JWS in FastAPI and Next.js. Key considerations include balancing security, client-side accessibility, and performance. JWS is recommended for non-sensitive data needing frontend access, while JWE adds encryption for critical use cases. Both methods rely on standardized libraries and secure key management to ensure integrity and confidentiality in decoupled architectures.

This blog post explores how to integrate Relay and Next.js with React Server Components (RSC), addressing a gap in existing resources. While Relay excels as a GraphQL client for Client-Side Rendering (CSR), this guide demonstrates its potential for RSC use cases, which is vital for applications prioritizing SEO and faster initial load times.