gentoo/vanilla/README.md

docker run -it --rm                           \ 
-v $PWD/gentoo-distfiles:/var/cache/distfiles \
-v $PWD/gentoo-binpkgs:/var/cache/binpkgs     \
-v $PWD/gentoo-layman:/var/lib/layman         \
-v $PWD/gentoo-repos:/var/db/repos            \
-v $PWD/gentoo-etc:/etc/portage               \
gentoo-amd64:20200705T214503Z-amd64-stage3    \
/bin/bash