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A modern web UI for running Ansible, Terraform, and shell tasks with schedules, history, and access control. This page describes the Levelrail template for Semaphore UI (Developer Tools). It deploys the services below as one Docker Compose app on your own server. Project site: https://docs.semaphoreui.com. Recommended memory: about 256 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 Semaphore UI with Levelrail

In the dashboard, open Apps, choose New app, then Browse templates, and select Semaphore UI. 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 Developer Tools templates

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