Update the upgrade guides for Rails 7.1 regarding the breaking change (in development/test environments) of the location of secret_key_base (#52083)

Co-authored-by: Felipe <felipe@temporadalivre.com>
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fraul 2024-06-12 17:15:02 -03:00 committed by GitHub
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@ -102,6 +102,18 @@ Upgrading from Rails 7.0 to Rails 7.1
For more information on changes made to Rails 7.1 please see the [release notes](7_1_release_notes.html).
### Development and test environments secret_key_base file changed
In development and test environments, the file from which Rails reads the `secret_key_base` has been renamed from `tmp/development_secret.txt` to `tmp/local_secret.txt`.
You can simply rename the previous file to `local_secret.txt` to continue using the same secret, or copy the key from the previous file to the new one.
Failure to do so will cause Rails to generate a new secret key in the new file `tmp/local_secret.txt` when the app loads.
This will invalidate all existing sessions/cookies in development and test environments, and also cause other signatures derived from `secret_key_base` to break, such as Active Storage/Action Text attachments.
Production and other environments are not affected.
### Autoloaded paths are no longer in $LOAD_PATH
Starting from Rails 7.1, the directories managed by the autoloaders are no