Home Operation and Maintenance Linux Operation and Maintenance Teach you how to install the Symfony framework in a Docker container

Teach you how to install the Symfony framework in a Docker container

Oct 20, 2023 am 10:36 AM
docker Install symfony

Teach you how to install the Symfony framework in a Docker container

Teach you how to install the Symfony framework in a Docker container

In the current development environment, containerization technology is increasingly used, and Docker is one of the most popular One of the representative technologies, it plays an important role in application deployment and development. This article will teach you how to install the Symfony framework in a Docker container and provide specific code examples.

Step One: Install Docker
To use Docker in a local environment, you first need to install the Docker engine. You can download and install the version appropriate for your operating system from the official Docker website. After the installation is complete, run the docker --version command to verify whether Docker has been installed correctly.

Step 2: Prepare Symfony project
Before you start, you need to prepare a Symfony project. You can find detailed steps for creating a project on the official Symfony website (https://symfony.com/). When creating a project, make sure it runs properly locally.

Step 3: Create Dockerfile
Create a file named Dockerfile in the project root directory to define the build process of the Docker image. The following is an example Dockerfile file content:

FROM php:7.4-apache

# 安装必要的扩展
RUN docker-php-ext-install pdo_mysql

# 设置Apache的DocumentRoot
ENV APACHE_DOCUMENT_ROOT /var/www/public
RUN sed -ri -e 's!/var/www/html!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!${APACHE_DOCUMENT_ROOT}!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

# 将Symfony项目复制到镜像中
COPY . /var/www

# 设置项目依赖
RUN cd /var/www && 
    curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer && 
    composer install --no-scripts --no-autoloader

# 配置Apache的rewrite模块
RUN a2enmod rewrite

# 暴露容器的80端口
EXPOSE 80

# 启动Apache服务器
CMD ["apache2-foreground"]
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In this example Dockerfile, we selected PHP 7.4 and Apache as the base image, installed the pdo_mysql extension required by Symfony, and set Apache's DocumentRoot to The public directory of the Symfony project. Then, we copy the Symfony project files to the /var/www directory of the container and use Composer to install the project's dependencies. Finally, we enabled Apache’s rewrite module and exposed the container’s port 80.

Step 4: Build the Docker image
In the project directory, open the terminal and run the following command to build the Docker image:

docker build -t symfony-app .
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This command will build a Docker image based on the Dockerfile file. It is the mirror of symfony-app. Make sure there is a period at the end of the command to indicate that the command is looking for the Dockerfile in the current directory.

Step 5: Run the Docker container
After the build is completed, we can start the Docker container of the Symfony application by running the following command:

docker run -p 8080:80 symfony-app
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This command will be on the local port 8080 Start the Docker container of the Symfony application. You can check whether the Symfony application runs successfully by visiting http://localhost:8080.

Summary
Through the above steps, you have successfully installed the Symfony framework in the Docker container. This allows you to deploy and develop Symfony applications more flexibly, while also better isolating and managing the running environment. I hope this article can help you, and I wish you happy development using Docker and Symfony framework!

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