怎麼使用docker搭建php+nginx+swoole+mysql+redis環境

一.建立帶有swoole-redis-pdo_mysql-gd擴充功能的docker image

1.建立dockerfile檔案

vim dockerfile

2.在dockerfile檔案寫入

from php:7.1-fpm
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-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.建立自訂的php鏡像，主要不要遺漏最後的'.'，是指定當前目錄建立鏡像

docker build -t myphp4 .

運行指令，由於網路問題等，需要等比較長的時間，成功後會出現類似下面的程式碼

...
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 "php_ini" is not set to php.ini location
you should add "extension=swoole.so" to php.ini
removing intermediate container ad1420f7554f
--- > 2f2f332d73ce
successfully built 2f2f332d73ce
successfully tagged myphp4:latest

至此docker 的自訂myphp4 image建立成功！

二.建立docker-compose.yml檔案

mkdir pnsmr
cd pnsmr
vim docker-compose.yml

寫入下面程式碼

version: '3.0'
services:
nginx:
  image: "nginx:latest"
  ports:
   - "10000:80"
  volumes:
   - /var/www/html:/usr/share/nginx/html
php-fpm:
  image: "myphp4"
  volumes:
  - /var/www/html:/usr/share/nginx/html
mysql:
  image: "mysql:latest"
redis:
  image: "redis:4.0"

執行指令

docker-compose up -d

成功可以看

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 "pnsmr_default" with the default driver#fidc fpm_1 ... done
creating pnsmr_redis_1 ... done
creating pnsmr_mysql_1 ... done
creating pnsmr_nginx_1 ... done

至此，已開啟nginx mysql redis php 服務

三.修改各服務設定檔

1.瀏覽器輸入127.0.0.1:9998 #此處應輸入你的伺服器ip位址，可以看到下圖

2.接下來要修改容器中nginx的設定文件，先用指令查看各容器的docker ip位址

docker inspect -f '{{.name}} - {{range .networksettings.networks}}{{.ipaddress}}{{end}}' $(docker ps -aq)

此指令可以查看所有用docker-compose 開啟的容器的ip，結果類似下圖，可以用對應的ip位址進行內部通訊

3.複製nginx容器的設定檔出來，並修改替換,使nginx能解析php

docker cp pnsmr_nginx_1:/etc/nginx/conf.d/default.conf nginx.conf
vim nginx.conf

修改為下列程式碼

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;#此处需要填写你的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 #将修改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 #在服务器本地目录新建 index.php 文件，输入<?php phpinfo(); 并保存
vim /var/www/html/index.html #在服务器本地目录新建 index.html 文件，输出helloworld

存取127.0.0.1:9998, html檔案解析正常

#存取127.0.0.1:9998/index.php，php檔案解析正常

4.測試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("172.24.0.4",6379);
$redis->set(&#39;test&#39;,&#39;this is a test for redis&#39;);
echo $redis->get(&#39;test&#39;);

存取127.0.0.1:9998/redis.php，redis已生效

##進入mysql容器

docker exec -it pnsmr_mysql_1 bash

進入mysql並更改root使用者密碼

建立測試檔案

vim /var/www/html/mysql.php
<?php
$pdo = new pdo(&#39;mysql:host=172.24.0.2;dbname=mysql;port=3306&#39;,&#39;root&#39;,&#39;root123&#39;);
var_dump($pdo);

存取127.0.0.1：9998/mysql.php，mysql已生效

#

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