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Use Docker to build a Symfony development environment: get started quickly

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Oct 26, 2023 am 11:49 AM

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Use Docker to build a Symfony development environment: get started quickly

Use Docker to build a Symfony development environment: Get started quickly

[Abstract]
Symfony is a popular PHP framework that allows developers to quickly build and deploy Web application. In order to simplify the configuration and management of the Symfony development environment, we can use Docker for containerized deployment. This article will introduce how to use Docker to build a Symfony development environment and provide specific code examples.

[Introduction]
In traditional Symfony development, we need to manually configure and install the required software, tools and dependencies. This process is often tedious and time-consuming. Using Docker, Symfony applications can be packaged in an independent container, including the required environment and resources, making deployment and development easier and more efficient.

[Step 1: Install Docker]
First, we need to install the Docker engine. Depending on your operating system, you can download the appropriate installation package through the corresponding channels and install it according to the prompts.

[Step 2: Create a Symfony application]
Next, we need to create a Symfony application. Assuming our application is named "myapp", it can be created in the command line using the following command:

$ symfony new myapp
$ cd myapp

The above command will automatically download and install the latest version of Symfony and create a directory named "myapp" . Enter this directory.

[Step 3: Create Dockerfile]
In the root directory of the Symfony application, create a file named "Dockerfile". This file is used to define the configuration and build steps of the Docker container. Copy the following content into the "Dockerfile":

FROM php:7.4-apache

WORKDIR /var/www/html

# 安装Symfony所需的扩展和依赖
RUN apt-get update && apt-get install -y 
        libicu-dev 
        libpq-dev 
    && docker-php-ext-install 
        intl 
        pdo_pgsql

# 激活Apache的rewrite模块
RUN a2enmod rewrite

# 复制应用程序代码到容器中
COPY . .

# 安装Composer依赖
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
RUN composer install --no-scripts

# 设置Apache的DocumentRoot为Symfony的public目录
RUN sed -ri -e 's!/var/www/html!/var/www/html/public!g' /etc/apache2/sites-available/*.conf
RUN sed -ri -e 's!/var/www/!/var/www/html/public!g' /etc/apache2/apache2.conf /etc/apache2/conf-available/*.conf

# 设置Apache用户和组为当前用户
RUN chown -R www-data:www-data /var/www/html

CMD [ "apache2-foreground" ]

The above Dockerfile configures a Symfony development environment based on the php:7.4-apache image. It includes some basic settings and installation, such as installing extensions, activating the rewrite module, copying application code, installing Composer dependencies, etc.

[Step 4: Build the Docker image]
In the root directory of the Symfony application, open the command line terminal and execute the following command to build the Docker image:

$ docker build -t myapp .

The above command will be in the current Build an image named "myapp" at the location of the Dockerfile in the directory. The image name can be modified according to the actual situation.

[Step 5: Run the Symfony application]
After building the image, we can run the Symfony application through the following command:

$ docker run -p 8000:80 myapp

The above command will start a file named "myapp" container, and map the container's port 80 to the host's port 8000. At this point, we can visit "http://localhost:8000" in the browser to view the Symfony application.

[Conclusion]
This article introduces how to use Docker to quickly build a Symfony development environment. By using Docker, you can simplify the deployment and development process of Symfony and improve development efficiency. I hope the content of this article can help readers better use Docker for Symfony development.

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