Using Docker technology in ThinkPHP6

With the rapid development of cloud computing and container technology, Docker has become one of the most popular ways to build, deploy and manage applications. In terms of software development and deployment, Docker provides us with a lightweight, portable, and reusable solution that can effectively optimize our development process.

In ThinkPHP6, developers can use Docker technology to optimize their development process and deployment process.

Introduction to Docker

Docker is an open source project that allows developers to build, deploy and run applications as containers. In addition, all these containers can run on the same host, isolating software applications and the libraries, files and other resources they depend on.

Four important concepts of Docker:

1. Image: Docker image is a template for building Docker containers. It includes software programs, dependencies and software operations. Required configuration and other information.
2. Container (Container): A Docker container is an instantiation object of a Docker image. It is an isolated environment in which the required applications and related dependencies are run.
3. Registry: Docker warehouse is a place where Docker images are stored, similar to code warehouses, databases and other places where data is stored.
4. Dockerfile: Dockerfile is a file that facilitates us to write Docker images. We define a series of instructions to define the required dependencies, software and other components to build the image.

ThinkPHP6 and Docker

When using Docker technology for development, we can quickly build and deploy the environment by using Docker images.

To use Docker to run ThinkPHP6, we must first prepare a running environment, and then we need to build a debugging environment image.

You can use the following files to create a usable and excellent Dockerfile file:

FROM php:7.4-fpm

RUN apt-get update 
    && apt-get install -y 
        libzip-dev 
        zip 
    && docker-php-ext-install 
        zip 
    && pecl install 
        redis 
    && docker-php-ext-enable 
        redis 
    && docker-php-ext-configure pdo_mysql 
    && docker-php-ext-install pdo_mysql 
    && php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');" 
    && php composer-setup.php --install-dir=/usr/local/bin --filename=composer 
    && php -r "unlink('composer-setup.php');"

WORKDIR /app

EXPOSE 80

CMD [ "php", "think", "run"]

The above Dockerfile contains the required dependencies and some extensions of PHP, which we will use when building the image Add these components to the image.

Next, create a docker-compose.yml file in the current project and set up a php service.

version: '3'
services:
  web:
    image: web
    extra_hosts:
      - "host.docker.internal:host-gateway" #用于解决无法访问Docker内端口号问题
    ports:
      - "80:80" # Docker容器端口
    volumes:
      - .:/app # 文件映射，即代码共享
    depends_on:
      - db # 依赖db服务，可根据实际情况调整或删除
  db:
    image: mysql:5.7
    ports:
      - "3306:3306" # MySql端口映射
    environment:
      MYSQL_ROOT_PASSWORD: root # MySql密码
      MYSQL_DATABASE: app # 数据库名称
      MYSQL_USER: app # 用户名
      MYSQL_PASSWORD: app # 用户密码
    volumes:
      - ./var/mysql:/var/lib/mysql # 数据存放目录

Change the current directory to the project directory and execute the following command in the terminal:

# 构建和启动 Docker 镜像
docker-compose up -d --build

# 关闭 Docker 镜像
docker-compose down

# 进入 Docker 容器的工作目录
docker exec -it container_name /bin/bash

Summary

Deploy and run the application by using Docker, using ThinkPHP6 It can improve efficiency during development and ensure compatibility with multiple terminals. I believe that over time, using Docker to build and deploy applications will become a trend.

However, it should also be noted that when using Docker for development and deployment, you need to have a certain understanding of Docker, including concepts such as Docker installation and use, Docker images, and Docker containers. Furthermore, we need to use good coding practices in our applications to ensure their security, stability, and reliability.

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