> For the complete documentation index, see [llms.txt](https://docs.usegallery.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.usegallery.com/build-system/overview.md).

# Overview

The Gallery build system has 3 major steps:

1. Gallery runs any pre-infrastructure build instructions indicated in deployment repositories
2.  Gallery spins up any infrastructure (including any[ terrafor](/build-system/terraform.md)m repositories/snippets
3. Gallery runs post infrastructure jobs from deployment repositories.

Take a look at the [Project Builds](/build-system/project-builds.md) section of the documentation to learn about how to configure your application repositories to take advantage of Gallery, or look at the [Terraform](/build-system/terraform.md) to learn about how to use Gallery for your infrastructure as code repositories. We'll be adding support for additio