Buildkit daemonless

docker run \
    -it \
    --rm \
    --privileged \
    -v /home/lizhe/buildkit/:/tmp/work \
    --entrypoint buildctl-daemonless.sh \
    moby/buildkit:master \
        build \
        --frontend dockerfile.v0 \
        --local context=/tmp/work \
        --local dockerfile=/tmp/work
        --output type=tar,dest=/tmp/work/daemonless_out.tar