moby/buildkit dockerfile/1.2.0

on GitHub

Usage

# syntax=docker.io/docker/dockerfile-upstream:1.2.0

Notable changes

• RUN --mount syntax for creating secret, ssh, bind, and cache mounts have been moved to mainline channel #1717

• Metadata load errors are now handled as fatal to avoid incorrect build results #1395

• ARG command now supports defining multiple build args on the same line similarly to ENV #1692

• --chown flag in ADD now allows parameter expansion #1473

• Allow lowercase Dockerfile name #1816

• ENTRYPOINT requires at least one argument to avoid creating broken images #1862