Blog

Building the creator computer to help more creators reach their ambitions — and to make social media bring us back together, not tear us apart.

Engineering

Keep self-hosted Multica attachments private on Cloudflare R2

How we serve private Cloudflare R2 attachments from self-hosted Multica with an authenticated Worker — and the one-line upstream fix we submitted, keeping egress at zero.

Matthew Lal

April 18, 20267 min read