https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/Recent content in Overview of Custom Assembly Overlays onHugo -- gohugo.ioen-USCopyright (c) 2023 ChainguardMon, 28 Sep 2026 16:33:22 +0000https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/chainctl/Mon, 28 Sep 2026 16:33:22 +0000https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/chainctl/<p> <blockquote> <p><strong>Note</strong>: Custom Assembly Overlays is in beta.</p> </blockquote> </p> <p>This guide shows how to use <code>chainctl</code> to apply Custom Assembly customizations to some of a repository&rsquo;s tags, or to every repository in your organization or a folder. You create an overlay that holds the customizations, then bind it with a tag selector.</p> <p>For an explanation of overlays, bindings, and tag selectors, see <a href="https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/">Overview of Custom Assembly Overlays</a>.</p> <h2 id="prerequisites" class="heading-2" data-heading-level="2"> <span class="heading-text">Prerequisites</span> <a href="#prerequisites" class="anchor" aria-label="Link to Prerequisites" title="Link to this section"> <svg width="16" height="9" viewBox="0 0 16 9" fill="none" xmlns="http://www.w3.org/2000/svg" aria-hidden="true"> <path d="M6.833 8.125H4C3 8.125 2.146 7.77067 1.438 7.062C0.729333 6.354 0.375 5.5 0.375 4.5C0.375 3.5 0.729333 2.646 1.438 1.938C2.146 1.22933 3 0.875 4 0.875H6.833V1.958H4C3.30533 1.958 2.708 2.208 2.208 2.708C1.708 3.208 1.458 3.80533 1.458 4.5C1.458 5.19467 1.708 5.792 2.208 6.292C2.708 6.792 3.30533 7.042 4 7.042H6.833V8.125ZM5.208 5.042V3.958H10.792V5.042H5.208ZM9.167 8.125V7.042H12C12.6947 7.042 13.292 6.792 13.792 6.292C14.292 5.792 14.542 5.19467 14.542 4.5C14.542 3.80533 14.292 3.208 13.792 2.708C13.292 2.208 12.6947 1.958 12 1.958H9.167V0.875H12C13 0.875 13.854 1.22933 14.562 1.938C15.2707 2.646 15.625 3.5 15.625 4.5C15.625 5.5 15.2707 6.354 14.562 7.062C13.854 7.77067 13 8.125 12 8.125H9.167Z" fill="currentColor"/> </svg> </a> </h2><p>Before you start, you need the following:</p>https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/terraform/Mon, 28 Sep 2026 16:33:22 +0000https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/terraform/<p> <blockquote> <p><strong>Note</strong>: Custom Assembly Overlays is in beta.</p> </blockquote> </p> <p>This guide shows how to manage Custom Assembly Overlays with the <a href="https://registry.terraform.io/providers/chainguard-dev/chainguard/latest">Chainguard Terraform provider</a>. You define overlays with the <code>chainguard_image_overlay</code> resource and bind them to repositories with the <code>chainguard_image_overlay_binding</code> resource.</p> <p>For an explanation of overlays, bindings, and tag selectors, see <a href="https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/">Overview of Custom Assembly Overlays</a>.</p> <p>The provider doesn&rsquo;t support <a href="https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/#all-repos-bindings">all-repos bindings</a> yet; each binding resource names one repository. To bind an overlay to every repository in your organization or a folder, use <a href="https://chainguard-docs-preview-git-bot-docs-bundle-refresh.chainguard.app/chainguard/containers/custom-assembly/overlays/chainctl/#apply-an-overlay-to-every-repository"><code>chainctl</code></a>.</p>