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A simple, self-hosted group chat app from 37signals, no subscription required. This page describes the Levelrail template for Once Campfire (Communication). It deploys the services below as one Docker Compose app on your own server. Project site: https://github.com/basecamp/once-campfire. Recommended memory: about 512 MiB.

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Services, ports and volumes

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Environment variables

Passwords and keys marked as generated are created for you when the app is deployed and stored as secrets. Values are not shown here.

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Deploy Once Campfire with Levelrail

In the dashboard, open Apps, choose New app, then Browse templates, and select Once Campfire. Review the Compose body and deploy. With the CLI:
See the service template catalog for how templates work, and Getting started if you have not installed Levelrail yet.

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More Communication templates

All templates are listed in the self-host gallery.
Last modified on October 12, 2026