Self-Hosting a Nearly Free, Open Source TURN Server on Oracle Cloud

This guide details setting up a nearly free, open-source TURN server on Oracle Cloud's free tier, offering an alternative to WebRTC implementations relying on third-party services. It walks through creating subnets, security lists, instance configurations, installing Nginx, Certbot, a PeerJS server, and a Coturn server. The guide covers configuring iptables rules and using coturn-credential-api for authentication, providing complete control over WebRTC communication and enhancing privacy and security by avoiding reliance on Google or other large providers.