Update Dockerfile syntax to docker/dockerfile:1#3534
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kichristensen merged 1 commit intogetporter:mainfrom Dec 29, 2025
Merged
Update Dockerfile syntax to docker/dockerfile:1#3534kichristensen merged 1 commit intogetporter:mainfrom
kichristensen merged 1 commit intogetporter:mainfrom
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Replace docker/dockerfile-upstream:1.4.0 with docker/dockerfile:1 across all Dockerfiles, templates, test data, and documentation. - Update DefaultDockerfileSyntax constant - Update buildkit templates - Update test data Dockerfiles - Update documentation examples Signed-off-by: Kim Christensen <kimworking@gmail.com>
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What does this change
Updates default Docker syntax from
docker/dockerfile-upstream:1.4.0todocker/dockerfile:1.This modernizes Porter's Dockerfile syntax to use the more current and recommended syntax version. The change affects:
pkg/build/dockerfile-generator.goWhat issue does it fix
Closes #3533
Notes for the reviewer
All tests pass. The new syntax
docker/dockerfile:1is the recommended format and automatically uses the latest stable version.Checklist