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Bug
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Resolution: Unresolved
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Low
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None
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2
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Severity 3 - Minor
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61
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Issue Summary
The ADD command is typically used to fetch content from a URL and copy it to a local directory specified in the Dockerfile. However, following the recent Docker Daemon 25 upgrade, BuildKit is enabled by default, which breaks this functionality in cloud pipelines.
Steps to Reproduce
- Create a Dockerfile with the ADD command.
- Use the command ADD <public_repository_URL> /tmp.
- Build the Docker image using Docker services in cloud pipelines with DOCKER_BUILDKIT=1.
Expected Results
The repository content should be fetched and added to the /tmp directory.
Actual Results
The build fails with the following error:
failed to load cache key: failed to init repo at /var/lib/docker/165536.165536/overlay2/r4bgug976866y3z0t486h7zn7/diff: exec: "git": executable file not found in $PATH
Workaround
- Disable the Docker buildkit
DOCKER_BUILDKIT=0
- Or use self-hosted runners with custom docker daemon (service) image. Where you can have buildkit enabled and can use ADD command to fetch the remote URL contents.
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