config.yml

doctrine:
    dbal:
        driver:   %database_driver%
        host:     %database_host%
        port:     %database_port%
        dbname:   %database_name%
        user:     %database_user%
        password: %database_password%
        charset:  UTF8

    orm:
        auto_generate_proxy_classes: %kernel.debug%
        auto_mapping: true
        mappings:
            sluggable:
                type: annotation
                alias: Gedmo
                prefix: Gedmo\Sluggable\Entity
                dir: "%kernel.root_dir%/../vendor/gedmo/doctrine-extensions/lib/Gedmo/Sluggable/Entity"
            timestampable:
                type: annotation
                alias: Gedmo
                prefix: Gedmo\Timestampable\Entity
                dir: "%kernel.root_dir%/../vendor/gedmo/doctrine-extensions/lib/Gedmo/Timestampable/Entity"