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# Supporting oAuth in the Preview Env

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Paul 6273 (@paul-6273) · 2025-06-10

Hey,

Because v0.dev has a CSP that blocks framing of external domains, I am not able to preview an app that has an external auth flow that frames an external oauth domain.  I am using supabase for azure based oauth.  Is there a work around that would allow me to use the preview the app?  The preview feature is nice to use and saves time instead of having to deploy each time.