Settings.xml with SQLite DB

Settings:
TYPO3:
  FLOW3:
    persistence:
      backendOptions:
        driver: 'pdo_sqlite'
        dbname: 'my.sqlite'
        user: 'ad'
        password: 'dbpass'
    core:
      phpBinaryPathAndFilename: '/usr/local/zend/bin/php-cli'
    security:
      authentication:
        authenticationStrategy: oneToken
        providers:
          DefaultProvider:
            provider: PersistedUsernamePasswordProvider

kdambekalns in IRC pointed out:

for sqlite you need to give path not dbname

what works like a charm ;)