zrok/docs/guides/frontdoor.mdx

---
title: zrok frontdoor
sidebar_label: frontdoor
sidebar_position: 20
hide_table_of_contents: true
---

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**zrok frontdoor** is the heavy-duty front door to your app or site. It makes your website or app available to your online audience through the shield of zrok.io's hardened, managed frontends.

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## Overview

zrok frontends are the parts of zrok that proxy incoming public web traffic to zrok backend shares via OpenZiti. When you use zrok with a `zrok.io` frontend, you're using **zrok frontdoor**. `zrok.io` is zrok-as-a-service by NetFoundry, the team behind OpenZiti. You need a free account to use **zrok frontdoor**.


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## Choose your OS

Choose between installing the Linux package or running zrok with Docker (Linux, macOS, or Windows).

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On Linux, zrok frontdoor is implemented natively as a system service provided by the `zrok-share` DEB or RPM package.

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On macOS and Windows, zrok frontdoor is implemented as a Docker Compose project which reserves a public subdomain for your website or service and manages a zrok environment that's separate from the Docker host. [Link to the Docker Public Share Guide](/guides/docker-share/docker_public_share_guide.md)

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## Concepts

Overview of [zrok reserved shares](/concepts/sharing-reserved.md)