If you have ever wondered why a Deployer release is "atomic", the answer is one syscall: rename(2). The whole zero-downtime story is built on the fact that, on a single filesystem, swapping a symlink with mv -T is indivisible from the kerne…
A typical Deployer run fires somewhere between twenty and a hundred SSH commands per host. Pull from git, install vendors, run migrations, swap a symlink, restart container, clean up old releases. If each of those opened a fresh SSH connect…
If you ever passed a user-supplied string into a shell command from PHP, you have probably written something like this: It looks right, and most of the time it works. But escapeshellarg() has a few quirks that matter a lot when you are runn…
Deployer v8 introduces MAML-based recipes as a replacement for YAML, while PHP recipes remain unchanged. This shift raises an important question: why move from YAML to MAML? In this blog post, I will explain the rationale behind this decisi…
We're excited to announce the release of the Official Deployer Docker Image! This image simplifies the deployment process for anyone using Deployer, providing a pre-configured environment ready to handle your deployment tasks right out of t…
It's hard to believe that Deployer has been around for a decade. What started as a small tool, born out of frustration with setting up Ruby for deployment, has now grown into one of the de facto standards for deploying PHP applications. Tod…
Deployer is a free and open source deployment tool written in PHP. It helps you to deploy your Laravel application to a server. It is very easy to use and has a lot of features. Three main features of Deployer are: Additionally, Deployer ha…
In this tutorial we will cover: Now lets cd into the project and run the following command: Deployer will ask you a few questions, and after finishing you will have a deploy.php or deploy.yaml file. This is our deployment recipe. It contain…
This tutorial will guide you through: First, install Deployer. Once installed, navigate to your project directory and run: Deployer will prompt you with a series of questions. After completing them, you'll have a deploy.php or * deploy.yaml…
First, let's install Deployer. Run the following commands in the terminal: Now you can use Deployer via the dep command. Open up a terminal in your project directory and run: This command will create the deploy.php file in the current direc…
There are two ways to install Deployer: globally or locally. Global installation is recommended for most users, as it allows you to use Deployer from any directory. Local (or project) installation is preferred for CI/CD pipelines, as it all…
Use official GitHub Action for Deployer. Create .github/workflows/deploy.yml file with following content: The concurrency: production_environment is important as it prevents concurrent deploys. Set the following variables in your GitLab pro…