# YaK Core

The Yak Core (and its UI) is the Open Source part of the product.

It consists of a set of Ansible playbooks and plugins developed by [dbi services](https://www.dbi-services.com) experts, providing a unique and central inventory.

This allows to deploy platform instances to major cloud providers in just a few clicks.

YaK Core is an Open Source project, and is [available on GitLab.](https://gitlab.com/yak4all)

<div data-full-width="false"><figure><img src="/files/SeAnpFM44xwuWgF3TNqn" alt=""><figcaption><p><em>Cloud providers supported as part of this release are Amazon AWS, Microsoft Azure and Oracle OCI</em></p></figcaption></figure></div>

## YaK Core Architecture

The YaK Core is composed of 4 containers:

* **YaK PostgreSQL database**
  * Stores data and PL/PgSQL procedures. Used to create/modify data
* **YaK Graphile**
  * API to access the data stored in the PostgreSQL database
* **YaK Runner**
  * Executes the Ansible playbooks
* **YaK UI**
  * Provides the Web User Interface

<figure><img src="/files/FmC3yMKopjcTtImNC4MR" alt=""><figcaption><p><em>YaK Core Architecture</em></p></figcaption></figure>


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