## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES
## What kind of change does this PR introduce?
Bug fix - config hardening
## What is the current behavior?
CORS is applied at the global level in a permissive mode
## What is the new behavior?
Self-hosted envoy config should apply CORS to the `/pg` routes. These
should only be called from the studio dashboard (when called via a
browser).
uses `SUPABASE_PUBLIC_URL`, which should mean this isn't a breaking
change.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Security & Access**
* Added stricter CORS controls for the `/pg/` route.
* Requests are limited to the configured public URL and localhost
origins.
* Standard HTTP methods and headers are supported, with preflight
responses cached for one hour.
* **Documentation**
* Updated self-hosting guidance to describe the `/pg/` route’s CORS
policy.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Etienne Stalmans