实验前准备：
下载：
[root@localhost ~]# curl -L https://github.com/docker/compose/releases/download/1.25.1-rc1/docker-compose-`uname -s-uname -m` -o /usr/local/bin/docker-compose
[root@localhost ~]# chmod +x /usr/local/bin/docker-compose
[root@localhost ~]# docker-compose -v
docker-compose version 1.25.1-rc1, build d92e9bee

//导入镜像
[root@localhost ~]# docker  load   <  nginx.tar  &&  docker  load <  php.7.2-fpm.tar  &&  docker load  <  mysql-5.7.tar 

//复制配置文件
[root@localhost ~]# mkdir -p compose-lnmp/docker/
[root@localhost ~]# cd compose-lnmp/
[root@localhost compose-lnmp]# mkdir wwwroot

[root@localhost ~]# docker run  -itd  --name  test  nginx:latest  [root@localhost ~]# docker  cp  test:/etc/nginx  /root/compose-lnmp/docker/  
br/>[root@localhost ~]# docker  cp  test:/etc/nginx  /root/compose-lnmp/docker/  
br/>[root@localhost ~]# vim  /root/compose-lnmp/wwwroot/html/index.html  
hello  LNMP!  

//添加php测试界面[root@localhost ~]# vim  /root/compose-lnmp/wwwroot/html/test.php  
br/>[root@localhost ~]# vim  /root/compose-lnmp/wwwroot/html/test.php  
phpinfo();  
?>  

//设置tab键的空格数量[root@localhost ~]# vim  .vimrc  
br/>[root@localhost ~]# vim  .vimrc  
br/>[root@localhost ~]# cat .vimrc   

//编写docker-compose.yml文件[root@localhost ~]# cd  /root/compose-lnmp/  
br/>[root@localhost ~]# cd  /root/compose-lnmp/  
version: "3.1"
services:
nginx:
container_name: nginx
image: nginx
networks:
lnmp:
ipv4_address: 172.16.10.10
restart: always
ports:

• 80:80
  volumes:
• /root/compose-lnmp/wwwroot/html:/usr/share/nginx/html
• /root/compose-lnmp/docker/nginx:/etc/nginx
  mysql:
  container_name: mysql
  image: mysql:5.7
  networks:
  lnmp:
  ipv4_address: 172.16.10.20
  restart: always
  ports:
• 3306:3306
  environment:
  MYSQL_ROOT_PASSWORD: 123.com
  php:
  container_name: phpfpm
  image: php:7.2-fpm
  networks:
  lnmp:
  ipv4_address: 172.16.10.30
  restart: always
  ports:
• 9000:9000
  volumes:
• /root/compose-lnmp/wwwroot/html:/usr/share/nginx/html
  networks:
  lnmp:
  driver: bridge
  ipam:
  config:
  • subnet: 172.16.10.0/24

[root@localhost ~]# echo net.ipv4.ip_forward = 1 >> /etc/sysctl.conf
[root@localhost ~]# systemctl restart network

[root@localhost compose-lnmp]# docker-compose  up  -d  

//修改nginx配置文件，nginx和php连接[root@localhost compose-lnmp]# cd  docker/nginx/conf.d/  
br/>[root@localhost compose-lnmp]# cd  docker/nginx/conf.d/  
10行： 
   location / {  
        root   /usr/share/nginx/html;  
       index  index.html index.htm index.php;  //添加php解析  
}  
//打开此模块，并更改相应信息：
30行：    
location ~ .php$ {  
        root           /usr/share/nginx/html;  
        fastcgi_pass   172.16.10.30:9000;  
        fastcgi_index  index.php;  
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;  
        include        fastcgi_params;  
}  
//重启
[root@localhost conf.d]# docker-compose  restart  

//php和mysql连接[root@localhost compose-lnmp]# cd  wwwroot/html/  
br/>[root@localhost compose-lnmp]# cd  wwwroot/html/  
[root@localhost html]# mv  phpMyAdmin-4.9.1-all-languages  phpmyadmin  

//更改nginx配置文件[root@localhost compose-lnmp]# cd  docker/nginx/conf.d/  
br/>[root@localhost compose-lnmp]# cd  docker/nginx/conf.d/  
//在27行添加
location  /phpmyadmin {  
    root  /usr/share/nginx/html;  
    index   index.html  index.htm  index.php; 
} 
//在43行添加
location ~ /phpmyadmin/(?(.*).(php|php5)?$) {  
    root           /usr/share/nginx/html;  
    fastcgi_pass   172.16.10.30:9000;  
    fastcgi_index  index.php;  
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;  
    include        fastcgi_params;  
}  

//重启
[root@localhost conf.d]# docker-compose  restart  

//需要对php镜像做出更改，添加php和mysql连接的模块写一个Dockerfile
[root@localhost ~]# vim  Dockerfile  
br/>写一个Dockerfile
[root@localhost ~]# vim  Dockerfile  
RUN apt-get update && apt-get install -y \
libfreetype6-dev \
libjpeg62-turbo-dev \
libpng-dev \
&& docker-php-ext-install -j$(nproc) iconv \
&& docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ \
&& docker-php-ext-install -j$(nproc) gd \
&& docker-php-ext-install mysqli pdo pdo_mysql
[root@localhost ~]# docker build  -t  phpmysql  .  

//删除容器，更改docker-compose.yml文件，并重新运行[root@localhost compose-lnmp]# docker-compose  stop  
br/>[root@localhost compose-lnmp]# docker-compose  stop  
br/>[root@localhost compose-lnmp]# vim  docker-compose.yml 
image: phpmysql  
[root@localhost compose-lnmp]# docker-compose  up  -d  

//修改phpmyadmin的配置文件，指定连接数据库的IP，然后重启[root@localhost compose-lnmp]# cd  wwwroot/html/phpmyadmin/  
br/>[root@localhost compose-lnmp]# cd  wwwroot/html/phpmyadmin/  
br/>[root@localhost phpmyadmin]# vim  config.inc.php  
[root@localhost phpmyadmin]# cd  -  
br/>$cfg['Servers'][$i]['host'] = '172.16.10.20';  
[root@localhost phpmyadmin]# cd  -  
[root@localhost compose-lnmp]# docker-compose  restart  

//再次访问
用户名：root
密码：123.com