# usage for create yocto docker used by yocto dunfell build


# in useage current dir， exac create cmd to make docker image
$ docker build -t ubuntu2004 .

# into docker image and install package
$ docker run -it ubuntu2004 /bin/bash

# default into app dir
$ ./install-docker-package.sh

# after install package exit docker container
exit

# output the docker image
$ docker save -o ubuntu2004-for-yocto-build.tar ubuntu2004