Deployer\Server\Configuration::setPort PHP Method

    public function setPort($port)
    {
        $this->port = $port;
        return $this;
    }

 /**
  * Define server port
  *
  * @param int $port
  *
  * @return Builder
  */
 public function port($port)
 {
     $this->config->setPort($port);
     return $this;
 }