docker 配置 nginx和php-fpm 跨服务器运行

场景介绍：由于我的一个im应用经常给客户部署，该应用涉及到多个服务（redis、mysql、mongo、nginx），一般都是在宝塔进行部署，但是各种问题层出不穷，所以萌生了使用docker compose制作一个一键部署的脚本，其中nginx和php-fpm不在同一台服务器有坑，这里记录，我这里使用临时的php-fpm + nginx容器来演示两个服务不在同一个服务器上时如何配置，没有涉及到其他的服务（redis、mysql、mongo）同时也介绍了如果在同一台服务器时如何处理。

如果需要两个容器进行通信，那么必须要让他们在同一个网络中。
docker network create m1

docker run -it --rm -p 80:80 --network m1 nginx

docker run -it --rm -p 9000:9000 --network m1 alpine:3.14

由于没有配置name，所以我这里需要查看下配置，用ip来解析，使用docker compose可以通过container_name配置容器名称。docker inspect network m1

主要看containers里面的两个容器信息的ip，对应到下面的docker，这里有一个问题，如果容器重启的话，ip有可能会变动，所以建议使用container_name来进行后面的ip配置（就是用container_name来代理后面的ip，本机可以通过ping container_name来测试是否连通，或者看/etc/hosts文件）。

如果nginx和php-fpm在同一台服务器这里是不用修改的。

apk <span class="token function">add</span> php php-fpm   <span class="token function">vi</span> /etc/php7/php-fpm.d/www.conf 主要修改两处 <span class="token assign-left variable">listen</span><span class="token operator">=</span><span class="token number">0.0</span>.0.0:9000  listen.allowed_clients <span class="token operator">=</span> <span class="token number">172.20</span>.0.3  
apk <span class="token function">add</span> php php-fpm   <span class="token function">vi</span> /etc/php7/php-fpm.d/www.conf 主要修改两处 <span class="token assign-left variable">listen</span><span class="token operator">=</span><span class="token number">0.0</span>.0.0:9000  listen.allowed_clients <span class="token operator">=</span> <span class="token number">172.20</span>.0.3  
apk add php php-fpm   vi /etc/php7/php-fpm.d/www.conf 主要修改两处 listen=0.0.0.0:9000  listen.allowed_clients = 172.20.0.3  

添加php文件
mkdir -p /usr/share/nginx/html && echo "<php? phpinfo();"

注意这是在php-fpm那台服务器，如果实际部署，我们的文件是需要挂在到这里。记得修改后要启动或重启php-fpm，php-fpm7，alpine里面这个命令有点怪异。

 apk update -y apk <span class="token function">add</span> <span class="token function">vim</span> <span class="token function">vi</span> /etc/nginx/conf.d/default.conf 
 apk update -y apk <span class="token function">add</span> <span class="token function">vim</span> <span class="token function">vi</span> /etc/nginx/conf.d/default.conf 
 apk update -y apk add vim vi /etc/nginx/conf.d/default.conf 

完整配置

root@67cef1eb971c:/usr/share/nginx/html server <span class="token punctuation">{</span> listen <span class="token number">80</span><span class="token punctuation">;</span> listen <span class="token punctuation">[</span>::<span class="token punctuation">]</span>:80<span class="token punctuation">;</span> server_name localhost<span class="token punctuation">;</span>  location / <span class="token punctuation">{</span> root /usr/share/nginx/html<span class="token punctuation">;</span> index index.html index.htm<span class="token punctuation">;</span> <span class="token punctuation">}</span>    error_page <span class="token number">500</span> <span class="token number">502</span> <span class="token number">503</span> <span class="token number">504</span> /50x.html<span class="token punctuation">;</span> location <span class="token operator">=</span> /50x.html <span class="token punctuation">{</span> root /usr/share/nginx/html<span class="token punctuation">;</span> <span class="token punctuation">}</span>        location ~ <span class="token punctuation">\</span>.php$ <span class="token punctuation">{</span> root /usr/share/nginx/html<span class="token punctuation">;</span> fastcgi_pass <span class="token number">172.20</span>.0.2:9000<span class="token punctuation">;</span> fastcgi_index index.php<span class="token punctuation">;</span> fastcgi_param SCRIPT_FILENAME <span class="token variable">$document_root</span><span class="token variable">$fastcgi_script_name</span><span class="token punctuation">;</span> include fastcgi_params<span class="token punctuation">;</span> <span class="token punctuation">}</span>       <span class="token punctuation">}</span> 
root@67cef1eb971c:/usr/share/nginx/html server <span class="token punctuation">{</span> listen <span class="token number">80</span><span class="token punctuation">;</span> listen <span class="token punctuation">[</span>::<span class="token punctuation">]</span>:80<span class="token punctuation">;</span> server_name localhost<span class="token punctuation">;</span>  location / <span class="token punctuation">{</span> root /usr/share/nginx/html<span class="token punctuation">;</span> index index.html index.htm<span class="token punctuation">;</span> <span class="token punctuation">}</span>    error_page <span class="token number">500</span> <span class="token number">502</span> <span class="token number">503</span> <span class="token number">504</span> /50x.html<span class="token punctuation">;</span> location <span class="token operator">=</span> /50x.html <span class="token punctuation">{</span> root /usr/share/nginx/html<span class="token punctuation">;</span> <span class="token punctuation">}</span>        location ~ <span class="token punctuation">\</span>.php$ <span class="token punctuation">{</span> root /usr/share/nginx/html<span class="token punctuation">;</span> fastcgi_pass <span class="token number">172.20</span>.0.2:9000<span class="token punctuation">;</span> fastcgi_index index.php<span class="token punctuation">;</span> fastcgi_param SCRIPT_FILENAME <span class="token variable">$document_root</span><span class="token variable">$fastcgi_script_name</span><span class="token punctuation">;</span> include fastcgi_params<span class="token punctuation">;</span> <span class="token punctuation">}</span>       <span class="token punctuation">}</span> 
root@67cef1eb971c:/usr/share/nginx/html server { listen 80; listen [::]:80; server_name localhost;  location / { root /usr/share/nginx/html; index index.html index.htm; }    error_page 500 502 503 504 /50x.html; location = /50x.html { root /usr/share/nginx/html; }        location ~ \.php$ { root /usr/share/nginx/html; fastcgi_pass 172.20.0.2:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include fastcgi_params; }       } 

修改后记得重启或者重新加载nginx：nginx -t && nginx -s reloat

apk <span class="token function">add</span> <span class="token function">composer</span>  <span class="token builtin class-name">cd</span> /etc/share/nginx/html <span class="token function">composer</span> create-project topthink/think<span class="token operator">=</span><span class="token number">5.0</span>.* <span class="token punctuation">..</span>/html --prefer-dist  
apk <span class="token function">add</span> <span class="token function">composer</span>  <span class="token builtin class-name">cd</span> /etc/share/nginx/html <span class="token function">composer</span> create-project topthink/think<span class="token operator">=</span><span class="token number">5.0</span>.* <span class="token punctuation">..</span>/html --prefer-dist  
apk add composer  cd /etc/share/nginx/html composer create-project topthink/think=5.0.* ../html --prefer-dist  

https://blog.csdn.net/weixin_34551601/article/details/115242284
https://www.cnblogs.com/fansik/p/6635813.html

第一个文档讲了fastcgi_pass参数socket和tcp连接的不同，第二个介绍了nginx和php-fpm不在同一台服务器时的配置。

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