doctrine: dbal: driver: 'pdo_mysql' server_version: '5.7' charset: utf8mb4 default_table_options: charset: utf8mb4 collate: utf8mb4_unicode_ci override_url: true url: '%env(resolve:DATABASE_URL)%' orm: default_entity_manager: default mappings: App\Entity: type: xml dir: '%kernel.project_dir%/config/packages/mapping' prefix: App\Entity is_bundle: false