根据使用 Nginx 的 HTTP 路径，代理 Rails 应用或 Node.js 应用

Question

在 Ubuntu 11 上，我让 Nginx 根据路径正确地提供 CouchDB 或 Node.js 服务，但无法让 Nginx 通过其端口访问 Rails 应用程序。

server {
    rewrite ^/api(.*)$ $1 last;

    listen 80;
    server_name example.com;

    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_pass http://127.0.0.1:3005/;
    }

    location /ruby {
       proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_pass http://127.0.0.1:9051/;
    }


    location /_utils {
       proxy_pass        http://127.0.0.1:5984;
      proxy_redirect    off;
      proxy_set_header  Host $host;
      proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_buffering  off; # buffering would break CouchDB's _changes feed
    }

    gzip  on;
    gzip_comp_level 9;
    gzip_min_length 1400;
    gzip_types  text/plain text/css image/png image/gif image/jpeg application/x-javascript text/xml application/xml application/x
ml+rss text/javascript;
    gzip_vary  on;
    gzip_http_version 1.1;
    gzip_disable "MSIE [1-6]\.(?!.*SV1)";
}

/ 和 /_utils 正在工作，但是 /ruby 给了我一个403 Forbidden