ℹ️ BuildKit has been integrated to docker build since Docker 18.06.
The build-using-dockerfile CLI is just provided as an example for writing a BuildKit client application.
For people familiar with docker build command, build-using-dockerfile is provided as an example for building Dockerfiles with BuildKit using a syntax similar to docker build.
go get .
build-using-dockerfile -t myimage /path/to/dir
# build-using-dockerfile will automatically load the resulting image to Docker
docker inspect myimage