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A federated, end-to-end encrypted chat server implementing the Matrix protocol. This page describes the Levelrail template for Matrix Synapse (Communication). It deploys the services below as one Docker Compose app on your own server. Project site: https://element-hq.github.io/synapse/latest/setup/installation.html. Recommended memory: about 1024 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 Matrix Synapse with Levelrail

In the dashboard, open Apps, choose New app, then Browse templates, and select Matrix Synapse. 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