clone it without repo
git clone https://github.com/Kasparsu/laravel-docker-install.git && rm -rf laravel-docker-install/.git
change .env file to have project name. if there already exists folder with that name then laravel won't be installed. You can copy preexisting laravel into the folder as well and run.
to run docker-compose
docker-compose up -d
to view logs
docker-compose logs app