discourse/app/jobs/scheduled/disable_bootstrap_mode.rb

module Jobs
  class DisableBootstrapMode < Jobs::Scheduled
    every 1.day

    def execute(args)
      return unless SiteSetting.bootstrap_mode_enabled
      total_users = User.where.not(id: Discourse::SYSTEM_USER_ID).count

      if SiteSetting.bootstrap_mode_min_users == 0 || total_users > SiteSetting.bootstrap_mode_min_users
        SiteSetting.set_and_log('default_trust_level', TrustLevel[0]) if SiteSetting.send('default_trust_level') == TrustLevel[1]
        SiteSetting.set_and_log('default_email_digest_frequency', 10080) if SiteSetting.send('default_email_digest_frequency') == 1440
        SiteSetting.set_and_log('bootstrap_mode_enabled', false)
      end
    end
  end
end