1.制定特定扩展的PHP镜像

sudo mkdir -p /www/docker

sudo cd /www/docker

sudo vi Dockerfile

FROM php:7.2-fpm-alpine
MAINTAINER diaocheweide
RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
RUN apk update && apk add --no-cache --virtual .build-deps 
        $PHPIZE_DEPS 
        curl-dev 
        imagemagick-dev 
        libtool 
        libxml2-dev 
        postgresql-dev 
        sqlite-dev 
        libmcrypt-dev 
        freetype-dev 
        libjpeg-turbo-dev 
        libpng-dev 
    && apk add --no-cache 
        curl 
        imagemagick  mysql-client 
        postgresql-libs 
    && pecl install imagick 
    && pecl install mcrypt-1.0.1 
    && docker-php-ext-install zip 
    && docker-php-ext-install pdo_mysql 
    && docker-php-ext-install opcache 
    && docker-php-ext-install mysqli 
    && docker-php-ext-enable mcrypt 
    && docker-php-ext-enable imagick 
    && docker-php-ext-install 
        curl 
        mbstring 
        pdo 
        pdo_mysql 
        pdo_pgsql 
        pdo_sqlite 
        pcntl 
        tokenizer 
        xml 
        zip 
        && docker-php-ext-install -j"$(getconf _NPROCESSORS_ONLN)" iconv 
    && docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ 
    && docker-php-ext-install -j"$(getconf _NPROCESSORS_ONLN)" gd 
    && pecl install -o -f redis 
    && rm -rf /tmp/pear 
    && docker-php-ext-enable redis 
    && rm -r /var/cache/apk/*
EXPOSE 9000

2.编写yml文件

sudo vi docker-compose.yml

version: '3.1'
services:
  nginx:
    image: nginx
    container_name: nginx
    restart: always
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - /www/data/nginx/conf.d:/etc/nginx/conf.d
      - /www/default:/www/default
    networks:
      csl:
        ipv4_address: 172.18.0.2
 
  php:
    image: php:7.2-fpm-alpine-dcwd
    container_name: php7.2
    restart: always
    volumes:
      - /www/default:/www/default
    networks:
      csl:
        ipv4_address: 172.18.0.3 mysql5:
    image: mysql:5.7
    container_name: mysql5
    restart: always
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: thisyourpassword
    volumes:
      - /www/data/mysql/mysql5:/var/lib/mysql #- /www/data/mysql/mysql5/conf/my.cnf:/etc/my.cnf
      #- /www/data/mysql/mysql5/init:/docker-entrypoint-initdb.d
    networks:
      csl:
        ipv4_address: 172.18.0.4 mysql8:
    image: mysql:8
    container_name: mysql8
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: thisyourpassword
    volumes:
      - /www/data/mysql/mysql8:/var/lib/mysql networks:
      csl:
        ipv4_address: 172.18.0.5
networks:
  csl:
    driver: bridge
    ipam:
      config:
        - subnet: 172.18.0.0/16

3.配置default.conf文件,拷贝这一步请参考上一篇文章

sudo vi /www/data/nginx/default.conf

server {
    listen       80;
    server_name  localhost;
    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;
    location / {
        root   /www/default;
        index  index.php index.html index.htm;
    }
    #error_page  404              /404.html;
    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ .php$ {
    #    proxy_pass   http://127.0.0.1;
    #}
    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    location ~ .php$ {
        root           /www/default;
        fastcgi_pass   php7.2:9000;#php容器名或者php容器ip
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
        include        fastcgi_params;
    }
    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /.ht {
    #    deny  all;
    #}
}

4.修改mysql允许远程连接并新建数据库

docker exec -it mysql5 bash
mysql -u root -p
use mysql;
update user set host='%' where user='root';
flush privileges;

5.创建并且启动容器

docker-compose up -d

6.新建index.php测试mysql连接

<?php
$con = mysqli_connect("172.18.0.4", "root", "thisyourpassword", "shop");
if ($con) {
    echo '连接 MYSQL 成功';
} else {
    echo "连接 MySQL 失败: " . mysqli_connect_error();
} mysqli_close($con);

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