Use Docker Compose to easily build a PHP development environment

Use Docker Compose to easily build a PHP development environment

With the development of the times, the development environment is becoming more and more rapid and efficient. As a container orchestration tool, Docker Compose allows us to easily configure and manage multiple Docker containers to quickly build a PHP development environment. This article will introduce how to use Docker Compose to build a PHP development environment and provide specific code examples.

1. Preparation
   First, we need to install Docker and Docker Compose. After the installation is complete, make sure the Docker service is started.
2. Create Docker Compose file
   Create a file named docker-compose.yml in the project root directory. This file is where we define and configure the PHP development environment.
3. Add PHP container
   In the docker-compose.yml file, add the following code to define and configure the PHP container:

version: '3'
services:
  php:
    image: php:7.4-apache
    ports:
      - 8080:80
    volumes:
      - ./src:/var/www/html

In this code snippet, we use The official PHP:7.4-apache image serves as our PHP container. We map the container's port 80 to the host's port 8080. And mount the src directory in the project root directory to the /var/www/html directory of the container, so that we can directly modify the code locally and it will take effect in the container immediately.

4. Add MySQL container
   If our PHP application needs to interact with the MySQL database, we can define and configure the MySQL container by adding the following code:

  mysql:
    image: mysql:5.7
    environment:
      - MYSQL_ROOT_PASSWORD=password
      - MYSQL_DATABASE=myapp
      - MYSQL_USER=myuser
      - MYSQL_PASSWORD=mypassword
    ports:
      - 3306:3306
    volumes:
      - mysql-data:/var/lib/mysql

In this code snippet, we use the official MySQL:5.7 image as our MySQL container. We set the MySQL root password, database name and user information. Map port 3306 of the container to port 3306 of the host, and mount the MySQL data directory to the mysql-data volume of the host for data persistence.

5. Add other containers
   As needed, we can also add other containers, such as Redis, MongoDB, etc. These containers are defined and configured in a similar manner.
6. Start the container
   Execute the following command in the project root directory to start all the containers we defined:

docker-compose up

Docker Compose will automatically pull the image according to the defined configuration and Start the container. We can access our PHP application by accessing http://localhost:8080 through the browser.

7. Common commands
   In addition to starting the container, we can also use the following common commands to manage our PHP development environment:

• Start the container ( Background mode): docker-compose up -d
• Stop the container: docker-compose stop
• View the container status: docker-compose ps
• Enter the container: docker-compose exec [ service_name] bash

Through the above commands, we can easily manage and operate our PHP development environment.

Summary
Docker Compose provides a simple and efficient way to build and configure a PHP development environment. By writing a simple Docker Compose file, we can quickly pull the image, configure the container, and run a complete PHP development environment. I hope the introduction and examples in this article can help you better use Docker Compose to build a PHP development environment.

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