---
title: Reference
description: Look up environment variables, dashboard settings, ports and endpoints.
---

Facts to look up while you run an instance. For how and why to use them, see [Configure](/self-hosting/configure).

- [Environment variables](/self-hosting/reference/environment-variables): every variable, grouped by topic, with defaults.
- [Dashboard settings](/self-hosting/reference/dashboard-settings): every setting on the System pages of the owner dashboard.
- [Ports and endpoints](/self-hosting/reference/ports-and-endpoints): ports, outbound access, addresses and published images.