#Step by step
>symfony check:requirements
>symfony new symfony
>symfony server:start

>composer require api

Created src\entity\prices.php
> php bin/console doctrine:schema:update --dump-sql
> php bin/console doctrine:schema:update --force

Modified src\entity\prices.php
> php bin/console make:migration
> php bin/console doctrine:migrations:migrate

> php bin/console doctrine:migrations:version YYYYMMDDHHMMSS --delete
Or, rewind the migration with:
> php bin/console doctrine:migrations:execute YYYYMMDDHHMMSS --down