软件：docker-ce version 18.09.3, docker-compose version 1.23.2
一.创建带有swoole-redis-pdo_mysql-gd扩展的docker image
1.创建dockerfile文件
vim dockerfile
2.在dockerfile文件写入
From php:7.1-fpmRUN 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-configure pdo_mysql \&& docker-php-ext-install pdo_mysql \&& pecl install redis-4.3.0 \&& pecl install swoole \&& docker-php-ext-enable redis swoole
3.创建自定义的php镜像，紧张不要漏了末了的 '.'，是指定当前目录构建镜像
docker build -t myphp4 .
运行指令，由于网络问题等，须要等比较长的韶光，成功后会涌现类似下面的代码
...
Build process completed successfully
Installing '/usr/local/include/php/ext/swoole/config.h'
Installing '/usr/local/lib/php/extensions/no-debug-non-zts-20160303/swoole.so'
install ok: channel://pecl.php.net/swoole-4.3.1
configuration option \公众php_ini\"大众 is not set to php.ini location
You should add \"大众extension=swoole.so\"大众 to php.ini
Removing intermediate container ad1420f7554f
---> 2f2f332d73ce
Successfully built 2f2f332d73ce
Successfully tagged myphp4:latest
至此docker 的自定义myphp4 image创建成功！
二.创建docker-compose.yml文件
mkdir pnsmrcd pnsmrvim docker-compose.yml
写入下面代码
version: '3.0'services:nginx: image: \"大众nginx:latest\"大众 ports: - \"大众10000:80\"大众 volumes: - /var/www/html:/usr/share/nginx/htmlphp-fpm: image: \公众myphp4\公众 volumes: - /var/www/html:/usr/share/nginx/htmlmysql: image: \公众mysql:latest\公众redis: image: \公众redis:4.0\"大众
运行指令
docker-compose up -d
成功可以看到
WARNING: The Docker Engine you're using is running in swarm mode.
Compose does not use swarm mode to deploy services to multiple nodes in a swarm. All containers will be scheduled on the current node.
To deploy your application across the swarm, use `docker stack deploy`.
Creating network \"大众pnsmr_default\"大众 with the default driver
Creating pnsmr_php-fpm_1 ... done
Creating pnsmr_redis_1 ... done
Creating pnsmr_mysql_1 ... done
Creating pnsmr_nginx_1 ... done
至此，已开启nginx mysql redis php 做事
三.修正各做事配置文件
1.浏览器输入 127.0.0.1:9998 #此处应输入你的做事器ip地址，可以看到下图
2.接下来要修正容器里nginx的配置文件，先利用指令查看各容器的docker IP地址
docker inspect -f '{{.Name}} - {{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' $(docker ps -aq)
此指令可以查看所有用docker-compose 开启的容器的ip，结果类似下图，可以用对应的ip地址进行内部通讯
3.复制nginx容器的配置文件出来，并修正更换,使nginx能解析php
docker cp pnsmr_nginx_1:/etc/nginx/conf.d/default.conf nginx.confvim nginx.conf
修正为下列代码
server { listen 80; server_name localhost; #charset koi8-r; #access_log /var/log/nginx/host.access.log main; location / { root /usr/share/nginx/html; index index.html index.htm; } #error_page 404 /404.html; # redirect server error pages to the static page /50x.html # error_page 500 502 503 504 /50x.html; location = /50x.html { root /usr/share/nginx/html; } # proxy the PHP scripts to Apache listening on 127.0.0.1:80 # #location ~ \.php$ { # proxy_pass http://127.0.0.1; #} # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000 # location ~ \.php$ { root html; fastcgi_pass 172.24.0.3:9000;#此处须要填写你的php容器的docker内部通讯ip fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html/$fastcgi_script_name; include fastcgi_params; } # deny access to .htaccess files, if Apache's document root # concurs with nginx's one # #location ~ /\.ht { # deny all; #}}docker cp nginx.conf pnsmr_nginx_1:/etc/nginx/conf.d/default.conf #将修恰好的配置文件拷贝到容器里docker container stop pnsmr_nginx_1 docker container start pnsmr_nginx_1 #重启nginx容器使配置文件生效vim /var/www/html/index.php #在做事器本地目录新建 index.php 文件，输入<?php phpinfo(); 并保存vim /var/www/html/index.html #在做事器本地目录新建 index.html 文件，输出helloworld
访问127.0.0.1:9998, html文件解析正常
访问127.0.0.1:9998/index.php，php文件解析正常
4.测试mysql，redis是否生效
vim /var/www/html/redis.php #用于测试redis是否配置成功<?php$redis = new Redis();$redis->connect(\"大众172.24.0.4\"大众,6379);$redis->set('test','this is a test for redis');echo $redis->get('test');
访问127.0.0.1:9998/redis.php，redis已生效
进入mysql容器
docker exec -it pnsmr_mysql_1 bash
进入mysql并变动root用户密码
创建测试文件
vim /var/www/html/mysql.php<?php$pdo = new PDO('mysql:host=172.24.0.2;dbname=mysql;port=3306','root','root123');var_dump($pdo);
访问127.0.0.1：9998/mysql.php，mysql已生效
四.总结
虽然环境是配置成功了，并可以用docker-compose up 指令一键天生，但是还要改各容器的配置文件，仍旧不足方便，须要优化；其余docker的集群，堆栈功能也没用上，后面再连续学习.
