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build: error if Dockerfile name is passed with Dockerfile from stdin - #4346
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This error was only used in a single location, so no need to define a package-level variable for this. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
When passing a Dockerfile through stdin, it's not possible to specify the
name of the Dockerfile (using the `-f` option). When building with BuildKit
enabled, an error is already produced for this case, but the classic builder
silently ignored it.
This patch adds an error for this situation:
echo -e 'FROM busybox' | DOCKER_BUILDKIT=0 docker build -f some.Dockerfile -
DEPRECATED: The legacy builder is deprecated and will be removed in a future release.
BuildKit is currently disabled; enable it by removing the DOCKER_BUILDKIT=0
environment-variable.
unable to prepare context: ambiguous Dockerfile source: both stdin and flag correspond to Dockerfiles
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
thaJeztah
added
status/2-code-review
area/builder
area/builder/classic-builder
kind/bugfix
neersighted
approved these changes
Jun 20, 2023
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When passing a Dockerfile through stdin, it's not possible to specify the
name of the Dockerfile (using the
-foption). When building with BuildKitenabled, an error is already produced for this case, but the classic builder
silently ignored it.
This patch adds an error for this situation:
- Description for the changelog
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