* Build procedure Step.0) Prepare docker volumes (Do ONLY ONCE at a system) $ docker volume create --name=br2-ccache $ docker volume create --name=br2-dl Step.1) Prepare outputs' directory $ chmod a+w br2-output Step 2) Build docker-compose $ docker-compose build Step.3-a) Build automatically $ docker-compose build $ docker-compose run br2 (output is "br2-output/sdcard.img") Step.3-b) Build manually in docker container (comment entrypoint -> #entrypoint of docker-compose.yml) $ docker-compose up -d $ docker-compose exec br2 bash (login docker container) % ./setup.sh % ./build.sh % exit (output is "br2-output/sdcard.img") * How to change defconfig file ** Place new defconfig file to br2/ ** Change filename varialble "DEFCONFIG_BR2" of docker-compose.yml