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我如何合并这两个 nginx 规则以使其正常工作？

tag-icon • tag-icon linux ubuntu nginx web proxypass
我如何合并这两个 nginx 规则以使其正常工作？

在使用 htaccess 规则之前，我运行的是 Apache，但后来切换到运行 Discourse 论坛软件的 docker 实例的 nginx。我在 docker 实例之外运行 nginx，然后使用 proxypass 使其位于 domain.com/forum。之前，我按照如下所示进行设置，以便获取输入的任何子域名（减去 www）并将其附加到 url 末尾。如果没有提供子域名，它最终会正常工作。

RewriteEngine on
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteCond %{HTTP_HOST} .example.com$ [NC]
RewriteRule ^(.*)$ http://example.com/forum/t/%1$1 [L,NC,QSA]

我使用了 htaccess 到 nginx 的转换器，它给了我以下信息：

location / {
  if ($http_host !~ "^www\."){
   rewrite ^(.*)$ http://example.com/forum/t/%1$1 redirect;
  }
}

我当前的位置设置如下：

location /forum {
    proxy_pass http://unix:/var/discourse/shared/standalone/nginx.http.sock:;
    proxy_set_header Host $http_host;
    proxy_http_version 1.1;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto https;
   }
    fastcgi_read_timeout 60;
 }

所以我的问题是，如何将 if 语句中的转换代码与包含 proxy_pass 内容的当前代码合并？我试图将其放入其中，但最终却陷入了循环。

任何见解都将不胜感激，谢谢！

答案1

这就是我最终实现的效果。我后来针对特定子域添加了一些额外内容，但这就是它真正发挥作用的原因。

 server {
    server_name example.com www.example.com;
    listen ipaddress;

    root /home/me/public_html;
    index index.html index.htm index.php;
    access_log /var/log/virtualmin/example.com_access_log;
    error_log /var/log/virtualmin/example.com_error_log;
    fastcgi_param GATEWAY_INTERFACE CGI/1.1;
    fastcgi_param SERVER_SOFTWARE nginx;
    fastcgi_param QUERY_STRING $query_string;
    fastcgi_param REQUEST_METHOD $request_method;
    fastcgi_param CONTENT_TYPE $content_type;
    fastcgi_param CONTENT_LENGTH $content_length;
    fastcgi_param SCRIPT_FILENAME /home/me/public_html$fastcgi_script_name;
    fastcgi_param SCRIPT_NAME $fastcgi_script_name;
    fastcgi_param REQUEST_URI $request_uri;
    fastcgi_param DOCUMENT_URI $document_uri;
    fastcgi_param DOCUMENT_ROOT /home/me/public_html;
    fastcgi_param SERVER_PROTOCOL $server_protocol;
    fastcgi_param REMOTE_ADDR $remote_addr;
    fastcgi_param REMOTE_PORT $remote_port;
    fastcgi_param SERVER_ADDR $server_addr;
    fastcgi_param SERVER_PORT $server_port;
    fastcgi_param SERVER_NAME $server_name;
    fastcgi_param HTTPS $https;
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/var/php-nginx/15187383894597.sock/socket;
    }
    listen 443 ssl http2;  listen [::]:443 ssl http2;
    ssl_certificate /home/me/ssl.combined;
    ssl_certificate_key /home/me/ssl.key;
        http2_idle_timeout 5m; # up from 3m default

    location /forum {

        proxy_pass http://unix:/var/discourse/shared/standalone/nginx.http.sock:;
        proxy_set_header Host $http_host;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
    }
    fastcgi_read_timeout 60;
}

 # This server forwards requests from subdomains
 server {
  server_name ~^(.*)\.example\.com$;
   listen   ipaddress default_server;

  location / {
    return 301 https://example.com/forum/c/$1;
  }
}

然后我添加了一些来测试随机的特定内容，它们运行良好。

 # Test for specificsub
 server {
  server_name specificsub.example.com;
   listen   ipaddress;

  location / {
    return 301 https://example.com/forum/c/assets/specificsub;
  }
}

 # Test for specificsub2
 server {
  server_name specificsub2.example.com;
   listen   ipaddress;

  location / {
    return 301 https://example.com/forum/c/assets/specificsub2;
  }
}

答案2

类似这样的方法应该可以解决问题。虽然可能效果不尽如人意，但应该能为您提供一个自我发展的总体策略。如果您希望有人为您完成所有这一切并进行测试，您应该聘请一位顾问。

我假设您有一组无限的子域名。

// This server serves only forum traffic on the main domain
server {
  server_name example.com;

  location /forum {
      proxy_pass http://unix:/var/discourse/shared/standalone/nginx.http.sock:;
      proxy_set_header Host $http_host;
      // etc
   }

   // This should forward all requests to the forum subfolder
   location / {
     return 301 http://example.com/forum/;
   }

   // Insert any other required locations
 }

 // This server forwards requests from subdomains
 server {
  server_name ~^(.*)\.example\.com$;
  // If the line above doesn't work uncomment these two and try them instead. They basically listen to everything not specified explicitly.
  // listen       80  default_server;
  // server_name  _;

  location / {
    return 301 http://example.com/forum/t/$1;
  }
}

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