Self-host Mattermost

A polished, Slack-style team chat you fully own — channels, threads, DMs, integrations, and a solid mobile app. The go-to self-hosted Slack replacement for teams that want their messages on their own server.

Key facts

What you need

• Any VPS with at least 2048 MB of RAM
• A domain you control — most self-hosted setups need HTTPS in front of them
• About an afternoon — budget time for troubleshooting

Install with Docker Compose

Save this as compose.yml and run docker compose up -d:

copy# Mattermost — official compose (app + PostgreSQL)
git clone https://github.com/mattermost/docker mattermost
cd mattermost
# copy env.example to .env, set DOMAIN, then:
docker compose up -d  #  →  http://SERVER_IP:8065