Building Multi-Container Applications using Podman Quadlets

A perfect practical application for Quadlets is deploying a WordPress stack. This illustrates how multiple containers can communicate with each other. 1. Common Network (wp.network) 2. The mariadb Container (mariadb.container) 3. The WordPress Container (wordpress.container) 4. Key Adjustments Made 5. How to Start It 1. Common Network (wp.network) Create a quadlet network file at ~/.config/containers/systemd/wp.network [ | = | raspi in ~/pods/wordpress ] $ cat ~/.config/containers/systemd/wp.network [ Network] Label = app = wordpress [ | = | raspi in ~/pods/wordpress ] $ 2. The mariadb Container (mariadb.container) Create a quadlet container file at ~/.config/containers/systemd/ [ | = | raspi in ~/pods/wordpress ] $ cat ~/.config/containers/systemd/mariadb.container [ Unit] Description = MariaDB WordPress Database [ Container] ContainerName = mariadb Image = docker.io/library/mariadb:latest # Quadlet likes environment variables on one line or using a separate env file Environment = MYS