This document summarizes a talk about using the Deployer deployment tool. It discusses why deployment tools are useful for automating tasks, keeping deployment histories, and ensuring security. Deployer is highlighted as a fast, modular, clean PHP deployment tool that supports rollbacks, atomic deploys, parallel tasks, and consistency. It has requirements of Linux servers, Git, and PHP 5.4+ and allows defining tasks, recipes, and server lists for deploying a variety of frameworks including Symfony, Laravel, and WordPress. The talk encourages rating it on joind.in.