buildkit/frontend/dockerfile/docs/syntax.md at dockerfile/1.4.3 · moby/buildkitBuildKit supports loading frontends dynamically from container images. Images for Dockerfile frontends are available at docker/dockerfile repository. To use the external frontend, the first line of your Dockerfile needs to be # syntax=docker/dockerfile:1.3 pointing to the specific image you want to use. BuildKit also ships with Dockerfile frontend builtin but it is recommended to use an external i
