From 084d2bbd32a051de618f1ce77d392f1f04a7bc9d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dirk=20M=C3=BCller?= <dirk@dmllr.de>
Date: Fri, 4 Aug 2023 15:07:54 +0200
Subject: [PATCH] Switch to legacy build backend for docker

the new buildkit backend does no longer provide the stdout output
that we'er expecting, so as a simple fix hard code the legacy one
for now. This needs to be addressed in a larger rewrite.
---
 pytest_container/runtime.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pytest_container/runtime.py b/pytest_container/runtime.py
index bc3ea38..33fd519 100644
--- a/pytest_container/runtime.py
+++ b/pytest_container/runtime.py
@@ -546,7 +546,13 @@ def _runtime_error_message() -> str:
 
     def __init__(self) -> None:
         super().__init__(
-            build_command=["docker", "build", "--force-rm"],
+            build_command=[
+                "env",
+                "DOCKER_BUILDKIT=0",
+                "docker",
+                "build",
+                "--force-rm",
+            ],
             runner_binary="docker",
             _runtime_functional=self._runtime_functional,
         )