Simon Willison’s Weblog

22nd November 2021 - Link Blog

Introduction to heredocs in Dockerfiles (via) This is a fantastic upgrade to Dockerfile syntax, enabled by BuildKit and a new frontend for executing the Dockerfile that can be specified with a #syntax= directive. I often like to create a standalone Dockerfile that works without needing other files from a directory, so being able to use <<EOF syntax to populate configure files from inline blocks of code is really handy.