Usage
# syntax=docker.io/docker/dockerfile-upstream:1.21.0-rc1
Notable changes
- This is a first version of Dockerfile frontend with signed release images built using Docker Github Builder
- Allow skipping Dockerfile linter checks with a per-command comment #6334
- Strip heredoc shebang whitespace before parsing Dockerfile frontends #6402
- Fix
CopyIgnoredFilelinter rule ignoring negating matches #6356