56d2701a38
Docker 28 removed the legacy image builder entirely. Setting
DOCKER_BUILDKIT=1 no longer falls back to a builtin builder -- it
delegates to buildx, which then errors out if buildx isn't installed:
ERROR: BuildKit is enabled but the buildx component is missing
or broken.
The Ubuntu docker.io package omits buildx by default, so users on
that path hit this immediately. Detect missing buildx up front and
print exact install commands for apt / dnf / manual binary instead
of attempting a fallback that cannot work.
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| .. | ||
| .dockerignore | ||
| build.sh | ||
| Dockerfile | ||
| entrypoint.sh | ||
| freeze.sh | ||
| run.sh | ||
| smoke_test.py | ||
| test_locally.sh | ||