> For the complete documentation index, see [llms.txt](https://v2.dataos.info/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://v2.dataos.info/build/get-started/prerequisites.md).

# Prerequisites

A production build needs three things: the DataOS Command Line Interface (CLI), the Local Development Kit (LDK) for authoring and testing, and a Git repository that DataOS can access during deployment.

Complete the following steps once. Then use the [Quickstart](/build/get-started/quickstart.md) to create your first Data Product.

{% hint style="info" %}
**New to DataOS?** Confirm with your DataOS administrator that you have a user account and access to your organization's DataOS context before you start.
{% endhint %}

<table><thead><tr><th width="195.6884765625">Step</th><th>What it does</th></tr></thead><tbody><tr><td><a href="/pages/9dbe5ca0d6f3330e6a6c3a0345e367baff92e394">CLI setup</a></td><td>Install and authenticate <code>dataos-ctl</code>, the tool you use to apply and inspect DataOS Resources.</td></tr><tr><td><a href="/pages/e19426ce70a6b319d13d65703f65f8a3aaf0155b">LDK setup</a></td><td>Install the Local Development Kit (LDK): Python, a virtual environment, Vulcan, and a local engine.</td></tr><tr><td><a href="/pages/768e6f1294a4ff6957a40bac6134b3339971294c">Repository setup</a></td><td>Connect your Git repository so DataOS can pull your project at deploy time.</td></tr></tbody></table>

You connect your data sources as the first step of [Understand → Connect sources](/build/understand/connect-sources.md), not here. Connecting a source is part of understanding it, so that step belongs there rather than here.

{% hint style="warning" %}
**You will also need access to run what you build.** DataOS is deny-by-default, so a new `Data Developer` starts with no access to shared compute, Depots, or Secrets. These are granted, not self-served: you request a `Can Use` grant for each from your tenant admin. Sort this out before you deploy. The full checklist is in [Operate → Get access and confirm readiness](https://v2.dataos.info/operate/data-product-developer/access-and-readiness).
{% endhint %}


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