R-Car/Boards/Yocto-Gen3-CommonFAQ/How to build yocto image by using docker

Setup Docker image
Dockerfile(ubuntu 1804) Dockerfile(ubuntu:1604)

docker build -t 
 * ex.) docker build -t ubuntu:1804 ./

How to build
docker-run.sh

docker-run.sh 
 * ex.) docker-run.sh ubuntu:18.04 ./build.sh h3ulcb

See also:
 * https://askubuntu.com/questions/477551/how-can-i-use-docker-without-sudo#:~:text=If%20you%20don%27t%20want,writable%20by%20the%20docker%20group.&text=Either%20do%20a%20newgrp%20docker,activate%20the%20changes%20to%20groups.