@Override
protected void run(Environment environment, Namespace namespace, PizzaConfiguration config) throws Exception {
final DBIFactory factory = new DBIFactory();
final DBI jdbi = factory.build(environment, config.getDatabaseConfiguration(), "postgresql");
final ToppingDAO dao = jdbi.onDemand(ToppingDAO.class);
final PizzaDAO pizza_dao = jdbi.onDemand(PizzaDAO.class);
// toppings
dao.deleteAll();
long t_mushroom = dao.insert("Mushroom");
long t_onion = dao.insert("Onion");