3 replies

How do you cache tRPC server responses w/Next App Router?

What is the correct way to define the cache for tRPC endpoints with
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& Next App Router?

Cache-Control headers are overwritten by NextJs (https://nextjs.org/docs/app/api-reference/next-config-js/headers#cache-control)
Meaning the tRPC docs are not relevant (https://trpc.io/docs/server/caching)

I have validated this with a very simple trpc route returning

new Date().toJSON()

new Date().toJSON()

. Current setup in create-t3-app appears to be 'no-cache' for these endpoints. NextJs will not respect cache-control headers set via

responseMeta

responseMeta

in the

fetchRequestHandler

fetchRequestHandler

, or via context.

3 replies

new Date().toJSON()

new Date().toJSON()

. Current setup in create-t3-app appears to be 'no-cache' for these endpoints. NextJs will not respect cache-control headers set via

responseMeta

responseMeta

in the

fetchRequestHandler

fetchRequestHandler

, or via context.