From e342d25cb9c30b30b8a8f214675aa5c28a6ff6a9 Mon Sep 17 00:00:00 2001
From: "James E. Blair" <jim@acmegating.com>
Date: Wed, 17 May 2023 13:52:41 -0700
Subject: [PATCH] Use buildx to build images

This is required in order to have speculative image builds with
images on quay.io.

Change-Id: I993ee98e160c27f98a363779ccd0630895935712
---
 .zuul.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.zuul.yaml b/.zuul.yaml
index f357c6ce6e..1427edcb20 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -236,6 +236,8 @@
       promote_container_image_method: intermediate-registry
       promote_container_image_job: zuul-upload-image
       container_command: docker
+      container_build_extra_env:
+        DOCKER_BUILDKIT: 1
       container_images:
         - context: .
           registry: quay.io