Notes from setting up Prosody in Docker for federated messaging, with file sharing, voice calls, and end-to-end encryption.

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A comprehensive walkthrough of self-hosting an XMPP messaging server using Prosody in Docker. Covers DNS configuration, TLS certificate setup with Let's Encrypt, essential modules for modern messaging features (multi-device sync, push notifications, message archiving), OMEMO end-to-end encryption, HTTP file uploads via reverse proxy, and voice/video calling with coturn TURN/STUN server. Includes firewall rules, client recommendations (Monal, Conversations, Gajim), and verification steps for a production-ready federated messaging setup.

Running My Own XMPP Server