---
title: "Configuration"
url: "/reference/configuration/"
kind: "hub"
summary: "The Arion configuration file format, command-line flags, environment variables and the native bootstrap form."
---

> Arion site index: [/llms.txt](/llms.txt)

# Configuration

The Arion configuration file format, command-line flags, environment variables and the native bootstrap form.

How configuration reaches Arion: the file, the command line and the environment.