> ## Documentation Index
> Fetch the complete documentation index at: https://developer.upsun.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Workflow Overview

> Learn about the YAML configuration, project structure, build and deploy process, and how to get support.

<CardGroup cols={2}>
  <Card title="YAML" icon="file-code" href="/docs/core-concepts/yaml">
    An overview of YAML and its use at Upsun.
  </Card>

  <Card title="Structure" icon="folder-tree" href="/docs/core-concepts/structure">
    Learn about how your Upsun environments are structured and which files control that structure.
  </Card>

  <Card title="Build and deploy" icon="rocket" href="/docs/core-concepts/build-deploy">
    See how applications get built and deployed with Upsun.
  </Card>

  <Card title="Get support" icon="headset" href="/docs/core-concepts/get-support">
    Find out how to get help if you're experiencing issues with Upsun.
  </Card>
</CardGroup>