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## Background
Currently route handlers will be attempted to statically generate the
same as normal pages in app router. If a route handler accessed dynamic
data such as `cookies()`, `headers()`, `req.url`, or similar we would
bail from this static generation but this didn't handle the case where
you would do data fetching via a non-fetch based library e.g. `redis` or
even using `Date.now()` or `Math.random()` so users would expect these
to be run every request like normal API endpoints but they would be
static so wouldn't be executed again after a build.
## New Behavior
As discussed this disable the default static generation handling for
route handlers as we've seen this confuse our users since in most cases
when creating a route handler you are handling dynamic workloads. This
doesn't remove the ability to static generate route handlers though as
you can still manually specify:
If you specify `export const revalidate = 1` we will still bail if
dynamic data is accessed to prevent accidental `revalidate` configuring
but this can be avoided via `force-static` being used as well.
```js
export const dynamic = 'force-static'
// or
export const dynamic = 'error'
// or
export const revalidate = false
// or
export const revalidate = 1 // value great than 0
// or
export const generateStaticParams() {}
```
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Co-authored-by: Zack Tanner <[email protected]>