Next.js · Senior · Question 70 of 75

Why should `proxy.ts` do only optimistic auth checks?

✓Correct answer: It runs on many requests including prefetches, so it should read the session cookie, not query the database; real checks belong near the data
2proxy.ts can't read cookies
3Redirects from proxy are cached forever

Explanation

Slow checks in proxy delay every navigation. A data access layer that verifies the session before reading data is the source of truth.

Further reading

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