# Daytona > Daytona is a self-hosted and secure open source development environment manager. ## Docs - [Configuration](https://daytona.io/docs/configuration) - [Configuration Options](https://daytona.io/docs/configuration#configuration-options) - [Environment Variables](https://daytona.io/docs/configuration#environment-variables) - [Setting Environment Variables](https://daytona.io/docs/configuration#setting-environment-variables) - [Configuration Precedence](https://daytona.io/docs/configuration#configuration-precedence) - [Getting Started](https://daytona.io/docs/getting-started) - [Set Up Your Environment Variables](https://daytona.io/docs/getting-started#set-up-your-environment-variables) - [Install the Daytona SDK](https://daytona.io/docs/getting-started#install-the-daytona-sdk) - [Write Code to Create a Sandbox](https://daytona.io/docs/getting-started#write-code-to-create-a-sandbox) - [Execute Commands](https://daytona.io/docs/getting-started#execute-commands) - [Start your Sandbox](https://daytona.io/docs/getting-started#start-your-sandbox) - [Daytona Documentation](https://daytona.io/docs/index) - [Quick Start](https://daytona.io/docs/index#quick-start) - [Sandbox Persistence](https://daytona.io/docs/sandbox-persistence) - [Understanding Sandbox States](https://daytona.io/docs/sandbox-persistence#understanding-sandbox-states) - [Running](https://daytona.io/docs/sandbox-persistence#running) - [Stopped](https://daytona.io/docs/sandbox-persistence#stopped) - [Archived](https://daytona.io/docs/sandbox-persistence#archived) - [Performance Considerations](https://daytona.io/docs/sandbox-persistence#performance-considerations)