code: function () {
        var config = sails.config[this.configKey];
  
        // the ship drawing looks pretty silly in JSON
        sails.config.log.noShip = true;
  
        // as do color codes
        sails.config.log.colors = false;
  
        // setup some defaults
        config.logger.name = config.logger.name || 'sails';
        config.logger.serializers =
          config.logger.serializers || bunyan.stdSerializers;
  
        this.reqSerializer = config.logger.serializers.req ||
          function (x) { return x; };
  
        this.logger = bunyan.createLogger(config.logger);
      }
docs: Hook configuration function.