Building a Symfony Application with Docker, PHP 8.2, and Caddy

Creating an environment for developing PHP applications has become easier with the advent of Docker. This platform enables developers to automate application deployment, scaling, and management within containers.

In this article, We will set up a Symfony application using Docker, PHP 8.2, and Caddy — a modern, easy-to-use, open-source web server.

Prerequisites

Before we begin, ensure you have the following installed on your system:

• Docker
• Docker Compose
• Composer
• PHP
• Symfony CLI

Step 1: Setting Up the Symfony Project

Start by creating a new Symfony project. You can use Composer to select the latest stable Symfony version automatically.

composer create-project symfony/skeleton mySymfonyApp

This command creates a new Symfony project in a directory named `mySymfonyApp`.

Step 2: Create the Dockerfile

Next, we’ll create a Dockerfile, a text document that Docker reads to build a Docker image, which forms the basis of a Docker container. Our Dockerfile will start…