vergabe-teilnahme/scripts/ci-docker.sh

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# Source from a CI step after archive checkout. Isolate tool and login state
# for this invocation; do not modify the runner's persistent Docker config.
set -eu
VERGABE_DOCKER_TOOLS="$(mktemp -d)"
export DOCKER_CONFIG="${VERGABE_DOCKER_TOOLS}/config"
trap 'rm -rf "${VERGABE_DOCKER_TOOLS}"' EXIT
mkdir -p "${VERGABE_DOCKER_TOOLS}/bin" "${DOCKER_CONFIG}/cli-plugins"
wget -qO "${VERGABE_DOCKER_TOOLS}/docker.tgz" \
https://download.docker.com/linux/static/stable/x86_64/docker-27.3.1.tgz
tar xzf "${VERGABE_DOCKER_TOOLS}/docker.tgz" --strip-components=1 \
-C "${VERGABE_DOCKER_TOOLS}/bin" docker/docker
wget -qO "${DOCKER_CONFIG}/cli-plugins/docker-buildx" \
https://github.com/docker/buildx/releases/download/v0.19.3/buildx-v0.19.3.linux-amd64
# Pinned from the upstream v0.19.3 checksums.txt release asset.
echo "32ed111e941e385c2fb8261eba06a4056915718fd606f8278834ac1931d261a2 ${DOCKER_CONFIG}/cli-plugins/docker-buildx" | sha256sum -c -
chmod +x "${DOCKER_CONFIG}/cli-plugins/docker-buildx"
export PATH="${VERGABE_DOCKER_TOOLS}/bin:${PATH}"
export DOCKER_BUILDKIT=1
docker buildx version