CORS Mistakes on Scaleway Deployments and Fixes

CORS bugs on Scaleway usually aren’t really “Scaleway bugs.” They’re config mismatches between your browser app, your API, your object storage, and whatever proxy sits in front. I’ve seen teams burn hours blaming the platform when the actual problem was one missing header or a wildcard used in the wrong place. If you deploy frontends, APIs, or static assets on Scaleway, these are the mistakes that show up over and over. ...

May 13, 2026 · 7 min · headertest.com