Open Powershell (PS) or other Terminal (prompt my be different then).
For installation of Docker environment see fhooe-mongo-dock
docker exec -it mongoapp /bin/bash -c "cd /var/www/html && git clone https://github.com/Digital-Media/mongoshop.git && chmod 777 mongoshop"
docker exec -it mongoapp /bin/bash -c "cd /var/www/html/mongoshop && composer install && chmod -R 777 *"
docker exec -it mongoapp /bin/bash -c "cd /var/www/html/mongoshop && composer update"
Get a free MongoDB Atlas account or sign in with Google HERE.