Fluxer is a free and open-source instant messaging and VoIP platform for friends, groups, and communities, providing messaging, communities, text and voice channels, media uploads, search, presence, and voice and video communication from a web-based interface. Fluxer ships an official Docker Compose stack that runs the web application, API, gateway, administration dashboard, messaging services, media services, PostgreSQL, Valkey, NATS, Meilisearch, SeaweedFS, LiveKit, and Caddy. This guide deplo...