Quickly install Symfony with Docker: Detailed guide and tutorial

Quickly Install Symfony with Docker: Detailed Guide and Tutorial

Introduction:
Symfony is a popular PHP web application framework. Its design concept is simple, Flexible and scalable. As the popularity of Symfony continues to increase, more and more developers have put forward the need to quickly build a Symfony environment. This article will introduce how to use Docker to quickly install Symfony, and provide detailed guides and tutorials.

Step 1: Install Docker
First, you need to install Docker on your machine. Docker is an open source containerization platform that helps us quickly build, publish and run applications. You can go to the Docker official website to download and install Docker, and choose the appropriate version according to your operating system.

Step 2: Create the Symfony project
After installing Docker, we can start creating the Symfony project. From the command line, use the following command to create a new Symfony project:

$ docker run -it --rm -v $(pwd):/app composer create-project symfony/skeleton my_project_name

This command will use Composer to create a Symfony project named my_project_name in the current directory. You can modify the project name according to your needs.

Step 3: Create Dockerfile
Next, we need to create a Dockerfile to define the containerized environment of the Symfony project. Create a file named Dockerfile in the project directory and copy the following code into the file:

FROM php:7.4-fpm

RUN apt-get update && apt-get install -y 
    git 
    unzip 
    libpq-dev 
    libzip-dev

RUN docker-php-ext-install pdo pdo_pgsql zip

WORKDIR /app

COPY . /app

RUN curl -sS https://get.symfony.com/cli/installer | bash && mv /root/.symfony/bin/symfony /usr/local/bin/symfony

EXPOSE 8000

CMD ["symfony", "server:start", "--no-tls", "--allow-http", "0.0.0.0:8000"]

This Dockerfile will create a new container based on the php:7.4-fpm image and install some necessary Packages and extensions to support Symfony projects. At the same time, it also installs the Symfony CLI tool through Composer and copies the Symfony project's code into the container.

Step 4: Build the Docker image

After the Dockerfile has been created, we can use the following command to build the Docker image in the current directory:

$ docker build -t symfony-app .

This command will be based on the Dockerfile Build an image called symfony-app and use the current directory as the build context (i.e. copy the directory where the Dockerfile is located).

Step 5: Start the Symfony project

After building the image, we can use the following command to start the Symfony project in the Docker container:

$ docker run -it --rm -p 8000:8000 symfony-app

This command will be in the Docker container Run the symfony-app image and map the container's port 8000 to the host's port 8000. You can modify the port mapping as needed.

At this point, we have successfully installed the Symfony project into the Docker container and started the Symfony development server locally. You can view a running Symfony application in your browser by visiting http://localhost:8000/.

Conclusion:
By using Docker, we can quickly set up a Symfony development environment without the need to install and configure various software and dependencies on the local machine. The detailed guides and tutorials provided in this article should help you quickly get started using Docker to install Symfony and help you develop Symfony applications more efficiently. Happy developing in the world of Symfony!

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