Usage
# syntax=docker.io/docker/dockerfile-upstream:1.10.0-rc1
Notable changes
- Build secrets can now be mounted as environment variables in addition to files by defining
env=VARIABLE
option #5215 - Check directive now allows new
experimental
attribute for enabling experimental validation rules likeCopyIgnoredFile
#5213 - Improve validation of unsupported modifiers for variable substitution #5146
ADD
andCOPY
commands now support variable interpolation for build arguments for the--chmod
option values #5151- Improve validation of the
--chmod
option arguments forCOPY
andADD
commands #5148 - Fix missing completions for
size
anddestination
attributes on mounts #5245 - OCI annotations are now set to the Dockerfile frontend release image #5197