## Step 1: Prepare your modern multi-tier application exercise

Welcome to your **"Build applications with GitHub Copilot agent mode"** exercise! :robot:

In this exercise, you will build a **modern multi-tier application** for OctoFit Tracker:

- **Presentation tier:** React 19
- **Logic tier:** Node.js + Express + TypeScript
- **Data tier:** MongoDB

### :keyboard: Activity: Create and publish your working branch

1. Open your Codespace for your repository copy.

1. Open Copilot Chat and switch to **Agent** mode.

1. Run this prompt:

   > ![Static Badge](https://img.shields.io/badge/-Prompt-text?style=flat-square&logo=github%20copilot&labelColor=512a97&color=ecd8ff)
   >
   > ```prompt
   > Please create and publish a new Git branch called build-octofit-app
   > ```

1. Confirm the active branch is `build-octofit-app`.

1. Wait for Mona to post the next step.

<details>
<summary>Having trouble? 🤷</summary><br/>

- Make sure the branch name is exactly `build-octofit-app`.
- Make sure the branch is pushed to your repository.

</details>