This http://deployer.org/ script has been crafted for Laravel 5.3, and assumes your use npm for your dependencies and gulp for your assets management.
Download and install deployer.phar following the instructions in the project's homepage: http://deployer.org/
In deploy.php, replace the lines your-repository-url, your-server-ip-address, your-server-user, and your-deploy-path by the values that make sense for your project.