Elevated 502 Errors in `GRU` region

Resolved

This issue has been resolved.

Update

A fix has been implemented and our monitoring shows a significant improvement. We're continuing to monitor the GRU region for further issues.

Update

The issue has been identified and a fix is being implemented.

Investigating

We are investigating elevated rates of 502 errors from users in the GRU region (Sao Paulo, Brazil) when accessing Fly.io hosted apps. Apps continue to be accessible from other regions.