# 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](https://docs.usegallery.com/build-system/terraform)m repositories/snippets
3. Gallery runs post infrastructure jobs from deployment repositories.

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