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HomeOperation and MaintenanceLinux Operation and MaintenanceUse Docker to quickly create a Symfony development environment

Use Docker to quickly create a Symfony development environment

Use Docker to quickly create a Symfony development environment

Overview:
Symfony is a popular PHP framework that can help developers quickly build scalable web applications program. To provide a consistent and portable environment when developing and testing Symfony applications locally, we can use Docker to create a Symfony development environment. Docker provides isolated containers that can quickly deploy applications in different environments.

This article will introduce how to use Docker to quickly create a Symfony development environment and provide specific code examples.

Step 1: Install Docker and Docker Compose
First, we need to install Docker and Docker Compose on the local computer. Docker is an open source containerization platform that helps us build, deploy and run containerized applications. Docker Compose is a tool that can use YAML files to define and manage applications in multiple Docker containers.

You can install Docker and Docker Compose according to the operating system through the instructions provided on the Docker official website (https://docs.docker.com/get-docker/).

Step 2: Create Dockerfile
Create a Dockerfile file in the project root directory to define the Docker image of the Symfony application.

The following is an example Dockerfile content:

# 使用基础镜像
FROM php:7.4-apache

# 安装所需的扩展
RUN docker-php-ext-install pdo pdo_mysql

# 复制项目文件到容器中
COPY . /var/www/html

# 设置Apache的文档根目录
ENV APACHE_DOCUMENT_ROOT /var/www/html/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

# 设置Apache的URL重写
RUN a2enmod rewrite

# 安装Composer
RUN curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer

# 安装Symfony命令行工具
RUN curl -sS https://get.symfony.com/cli/installer | bash

The above Dockerfile uses the officially provided PHP 7.4 and Apache images as the base image, and installs the extensions required by Symfony. Next, copy the Symfony project files into the container and set up Apache's document root and URL rewriting. Finally, install Composer and Symfony command line tools.

Step 3: Create docker-compose.yml file
Create a docker-compose.yml file in the project root directory to define and manage the Docker container of the Symfony application.

The following is an example docker-compose.yml content:

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

The above docker-compose.yml file defines a service named "app", which is built using the Dockerfile created previously Mirror for Symfony applications. At the same time, map the current project directory to the /var/www/html directory in the container, and map the container's port 80 to the local port 8000.

Step 4: Build and run the Symfony container using Docker Compose
Open a terminal or command line tool in the project root directory and run the following command to build and run the Symfony container:

docker-compose up -d

The above command will use the docker-compose.yml file to build and run the Symfony container and put it to run in the background.

Now, you can view the results of the Symfony application running by visiting http://localhost:8000. If everything is OK, you will see the Symfony welcome page.

Summary:
Using Docker can quickly create, deploy and manage the Symfony development environment, which can help us improve development efficiency and ensure the consistency and portability of applications in different environments. By using Dockerfile and docker-compose.yml files, we can define and manage the configuration and dependencies of Symfony containers.

I hope the sample code and steps provided in this article can help you quickly create a Symfony development environment for development and testing.

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