The project is a Symfony 4 project. It uses no database.
git clone https://github.com/gdarquie/dbviz.git
Cd in the project
composer install
Launch the server
php bin/console server:run
Voilà!
sudo apt-get install graphviz
dot -Tpng export/viz.dot -o export/viz.png
DB Viz is a tool for generating DOT language for creating scheme with .yaml files configuration.