Advanced Server-Side Caching Patterns in Next.js

Short summary

A technical deep-dive into server-side caching patterns for Next.js beyond the built-in revalidate option. Covers in-memory caching with node-cache for single-instance deployments and distributed caching with Redis or Memcached for horizontally scaled applications. Includes code examples for wrapping expensive API calls with a getOrSetCache utility and discusses trade-offs between cache layers.

• •Next.js built-in revalidate/ISR is insufficient for fine-grained, dynamic caching of authenticated or frequently changing data
• •In-memory caching with node-cache works for single-instance deployments but breaks down across multiple instances
• •Distributed caching with Redis or Memcached provides shared cache state for horizontally scaled Next.js applications

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