Mattermost is an open source platform for secure collaboration across the entire software development lifecycle. It’s written in Go and React and runs as a single Linux binary with MySQL or PostgreSQL. It has a slimilar interface and features to Slack or Discord.
To create a new Proxmox VE Mattermost LXC, run the command below in the Proxmox VE Shell.
bash -c "$(wget -qLO - https://github.com/community-scripts/ProxmoxVE/raw/main/ct/mattermost.sh)"
Default settings
CPU: 1vCPU
RAM: 2GB
HDD: 8GB
Default Interface: IP:8065