wallabag/config/packages/doctrine.yaml

doctrine:
    dbal:
        url: '%env(resolve:DATABASE_URL)%'
        types:
            json_array: App\Doctrine\JsonArrayType

    orm:
        auto_generate_proxy_classes: "%kernel.debug%"
        auto_mapping: true
        mappings:
            App:
                is_bundle: false
                type: annotation
                dir: '%kernel.project_dir%/src/Entity'
                prefix: 'App\Entity'
                alias: App

# doctrine:
#     dbal:
#         url: '%env(resolve:DATABASE_URL)%'

#         # IMPORTANT: You MUST configure your server version,
#         # either here or in the DATABASE_URL env var (see .env file)
#         #server_version: '14'
#     orm:
#         auto_generate_proxy_classes: true
#         naming_strategy: doctrine.orm.naming_strategy.underscore_number_aware
#         auto_mapping: true
#         mappings:
#             App:
#                 is_bundle: false
#                 dir: '%kernel.project_dir%/src/Entity'
#                 prefix: 'App\Entity'
#                 alias: App