Run only the BuildKit daemon in a container
Run BuildKit daemon in a privileged container:
docker run --name buildkitd \
--detach \
--privileged \
--publish 127.0.0.1:1234:1234 \
moby/buildkit \
--addr tcp://0.0.0.0:1234
Run build against daemon:
buildctl \
--addr tcp://127.0.0.1:1234 \
build \
--frontend dockerfile.v0 \
--local context=. \
--local dockerfile=.