Calling external API from forge app - CORS issue and is that "from URL" changing?

[scottohara]

CORS is one of the main blockers for us migrating a Connect app to Forge.

See here for details:

Support for custom domains

(Apologies if this has been asked & answered before…I searched but couldn’t find anything) Is it possible for Forge app developers to specify a custom domain (CNAME) for their app’s iframe? e.g. NAME TYPE VALUE ------------------------------------------------------------- myapp.example.com. CNAME [app_uuid].cdn.prod.atlassian.net. Why? One of our Connect apps (a dynamic content macro for Confluence) fetches content from a user-supplied URL (specified as a macro parameter)…