Docker Compose, Nginx, and MariaDB join forces: Deploy PHP applications efficiently

The powerful combination of Docker Compose, Nginx and MariaDB: Efficient deployment of PHP applications

Introduction:
In today's Internet era, PHP is widely used as a The application's back-end programming language is widely used in the development of various web applications. In order to efficiently deploy and manage PHP applications, using a combination of Docker Compose, Nginx and MariaDB will become an ideal solution. This article will introduce how to use the powerful combination of these three to quickly and efficiently deploy PHP applications, and provide readers with detailed code examples.

1. Introduction to Docker Compose
Docker Compose is a tool for defining and running multi-container Docker applications. By using a simple YAML file to configure the application's services, network, storage and other information, you can quickly build, deploy and manage multi-container environments. Using Docker Compose, we can easily extend and manage various parts of PHP applications, improving the efficiency of development and operation and maintenance.

2. Introduction to Nginx
Nginx is a high-performance web server and reverse proxy server that is widely used to build large-scale online applications. It takes up less system resources and has strong ability to handle concurrent requests. It is the preferred web server for deploying PHP applications. By combining Docker Compose and Nginx, we can easily deploy and manage access to multiple PHP applications.

3. Introduction to MariaDB
MariaDB is an open source relational database management system and a branch of MySQL. It has high performance, high reliability and rich functions, and is widely used in various web applications. The combination of MariaDB and PHP can provide a powerful data storage and query function, providing stable back-end database support for PHP applications.

4. Use Docker Compose to deploy PHP applications
The following is a sample code for using Docker Compose to deploy PHP applications:

version: '3'
services:
  web:
    build: .
    ports:
      - 80:80
    volumes:
      - ./app:/var/www/html
    depends_on:
      - db
  db:
    image: mariadb
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: pass
      MYSQL_DATABASE: database
      MYSQL_USER: user
      MYSQL_PASSWORD: pass

The above code defines a service that contains two services (web and db) Docker Compose files. Among them, the web service is responsible for running PHP applications and mapping the local ./app directory to the container's /var/www/html directory so that application files can be accessed within the container. The db service uses the MariaDB image, configures relevant environment variables, creates a database, and provides the user name and password.

5. Use Nginx to configure reverse proxy
In order to enable PHP applications to be accessed through Nginx, we need to add relevant configurations to the Nginx configuration file. The following is an example Nginx configuration file:

server {
    listen 80;
    server_name example.com;

    location / {
        proxy_pass http://web;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

The above configuration file forwards all requests to the service named web, so that access to example.com will be proxied to the container running the PHP application.

6. Summary
By using the combination of Docker Compose, Nginx and MariaDB, we can deploy and manage PHP applications quickly and efficiently. Docker Compose can be used to easily define and run a multi-container environment. Nginx, as a web server and reverse proxy server, provides access support for PHP applications, while MariaDB provides stable back-end database support for PHP applications. We hope that the code examples provided in this article can help readers better understand and use the powerful combination of these three to bring convenience and efficiency to the deployment and management of PHP applications.

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