# Modal
Source: https://www.inngest.com/docs/reference/python/guides/modal

This guide will help you use setup an Inngest app in [Modal](https://modal.com), a platform for building and deploying serverless Python applications.

## Setting up your development environment

This section will help you setup your development environment. You'll have an Inngest Dev Server running locally and a FastAPI app running in Modal.

### Creating a tunnel

Since we need bidirectional communication between the Dev Server and your app, you'll also need a tunnel to allow your app to reach your locally-running Dev Server. We recommend using [ngrok](https://ngrok.com) for this.

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