docker pull coreelec/coreelec-builder:latest
docker run -v ~/:/home/docker -h coreelec -it coreelec/coreelec-builder:latest
sudo apt-get update
git clone git://github.com/CoreELEC/CoreELEC.git ~/CoreELEC
cd ~/CoreELEC
time(make image)
UsePROJECT=Amlogic
to build images for older S912 and S905/X/D devices