date-poll-api/config/packages/doctrine.yaml

doctrine:
  dbal:
    # configure these for your database server
    # use postgresql for PostgreSQL
    # use sqlite for SQLite
    driver: '%env(resolve:DATABASE_DRIVER)%'
    server_version: '%env(resolve:DATABASE_SERVER_VERSION)%'

    # only needed for MySQL
    charset: utf8mb4
    default_table_options:
      charset: utf8mb4
      collate: utf8mb4_unicode_ci

    url: '%env(resolve:DATABASE_URL)%'
  orm:
    auto_generate_proxy_classes: true
    naming_strategy: doctrine.orm.naming_strategy.underscore
    auto_mapping: true
    mappings:
      App:
        is_bundle: false
        type: annotation
        dir: '%kernel.project_dir%/src/Entity'
        prefix: 'App\Entity'
        alias: App