Quick installation of Symfony framework using Docker

Title: Use Docker to quickly install the Symfony framework

Abstract:
This article introduces how to quickly install the Symfony framework using Docker container technology. With Docker, you can easily create and manage Symfony development environments and reduce issues arising from different configurations. This article will detail how to prepare a Docker environment and how to use Docker Compose to quickly deploy Symfony applications.

Text:

1. Preparation
Before you start, make sure you have installed the following software:

1. Docker: You can download it from the official website ( https://www.docker.com/products/docker-desktop) to download and install Docker.
2. Composer: Composer is a dependency management tool for PHP. You can download and install Composer from the official website (https://getcomposer.org/download/).

2. Create a Symfony application

1. Open a terminal or command prompt and enter the directory where you want to create a Symfony application.

2. Run the following command to create a Symfony application:

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

   This will use Composer to create a Symfony application named "myapp".

3. Create a Docker environment

1. Create a file named Dockerfile in the root directory of the Symfony application , and paste the following content into the file:

   FROM php:7.4-apache
   WORKDIR /var/www/html
   
   RUN apt-get update && apt-get install -y
    libicu-dev
    libpq-dev
    git
    unzip
    && docker-php-ext-install
    intl
    pdo_pgsql
    && a2enmod
    rewrite
   
   COPY --from=composer /usr/bin/composer /usr/local/bin/composer
   COPY . /var/www/html/
   RUN composer install --prefer-dist --no-progress --no-suggest --no-interaction
   
   EXPOSE 80

2. Create a file named docker-compose.yml and copy the following content into the file:

   version: '3'
   services:
     app:
    build:
      context: .
      dockerfile: Dockerfile
    ports:
      - 8000:80
    volumes:
      - .:/var/www/html

   This docker-compose.yml file defines a service named "app" and maps port 8000 to port 80 of the container.

4. Run the Symfony application

1. In the terminal or command prompt, enter the root directory of the Symfony application.

2. Run the following commands to build and start the Docker container:

   docker-compose up -d

3. Wait for some time until the container startup is complete. You can then view the Symfony application by visiting "http://localhost:8000" in your browser.

Conclusion:
By using Docker for quick installation of the Symfony framework, you can easily create and manage a Symfony development environment. This article provides detailed steps and code examples to help you get started quickly and start using Symfony for web development. Good luck with the installation and development of your Symfony applications!

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