How to Deploy a Phoenix Application Using Kamal 2

The article provides a comprehensive tutorial on using Kamal 2 for deploying a Phoenix application. It begins with an introduction to Kamal as a deployment tool optimized for Docker-based applications and highlights the release of Kamal 2, which introduces significant improvements. The tutorial walks through the creation of a new Phoenix application, configuring it for Docker, and setting up the environment variables needed for deployment. Patrício explains the step-by-step process to prepare the application and server, followed by the installation and configuration of Kamal 2. The article emphasizes setting up proper Docker and Kamal configurations, discussing issues that may arise during deployment, and provides solutions like running migrations. By the end, the tutorial equips readers with the knowledge to deploy a Phoenix application smoothly using Kamal 2, making it suitable for both development and production environments.