从uri端口进行nginx代理重定向 [英] nginx proxy redirection with port from uri

问题描述

我正在尝试使用nginx进行重定向.这个想法是将uri/id_1234/重定向到某些端口的localhost:1234.固定端口的重定向:

I'm trying to make redirections using nginx. The idea is to redirect uri /id_1234/ to localhost:1234 for some ports. The redirection for the fixed port:

location /id_1234/ {
    rewrite ^/id_1234/(.*) /$1 break;
    proxy_pass http://localhost:1234;
    proxy_redirect http://localhost:1234/ $scheme://$host/id_1234/;
}

效果很好.现在，我尝试将1234更改为任何端口:

It works just fine. Now I try to change 1234 to any port:

location ~* ^/id_([0-9]*)/ {
    rewrite ^/id_([0-9]*)/(.*)$ /$2 break;
    proxy_pass http://localhost:$1;
    proxy_redirect http://localhost:$1/ $scheme://$host/id_$1/;
}

在此配置下，我收到502错误，并在日志中显示以下错误:

With this config, I get a 502 error, with the following error in log:

no resolver defined to resolve localhost

如果我将$ 1更改为localhost:之后的实际端口，则在指定端口上可以正常工作.如何使用正则表达式指定重定向端口?

If I change $1 to actual port after localhost:, it works fine for the specified port. How can be redirection port specified using regex?

提前谢谢！

推荐答案

添加

resolver 127.0.0.1;

有帮助，但这很奇怪...

helps, but it's very strange...

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