Running Mattermost: Self-Hosted Slack Alternative with Docker
If your team relies on Slack but you’re tired of message history limits, per-seat pricing, and having your conversations live on someone else’s servers — Mattermost is the answer. It’s an open-source, self-hosted team communication platform that looks and feels like Slack, but runs entirely on your hardware. What is Mattermost? Mattermost is a collaboration platform built for teams that need full control over their communication data. It offers channels, direct messages, threads, file sharing, search, and a plugin ecosystem — all packaged in a modern web interface that’ll feel familiar if you’ve used Slack or Microsoft Teams. ...