ruby on rails + puma +nginx

最新推荐文章于 2021-05-03 19:10:52 发布

原创最新推荐文章于 2021-05-03 19:10:52 发布 · 981 阅读

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本文详细解析了Nginx的配置文件，包括如何使用漏桶算法限制请求频率，设置连接数限制，以及如何配置代理传递请求到后端服务器。同时介绍了错误页面的处理方式和静态资源的缓存策略。

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upstream puma__production {
  server unix:home/deploy/demo/shared/tmp/sockets/puma.sock fail_timeout=0;
}

limit_conn_status 404;
#通过“漏桶”算法限制每个 IP 发起的请求频率。
limit_req_zone $binary_remote_addr zone=sym:10m rate=30r/m;
#限制每个 IP 发起的连接数。
limit_conn_zone $binary_remote_addr zone=conn_sym:10m;
limit_conn_zone $server_name zone=perserver:10m;

server{
 listen 80;
 server_name csdn.com www.csdn.com;
 root /home/deploy/demo/current/public;
 try_files $uri/index.html $uri @puma__production;

 client_max_body_size 4G;
 keepalive_timeout 10;

 error_page 500 502 504 /500.html;
 error_page 503 @503;

 location @puma__production {
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $host;
    proxy_redirect off;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection "Upgrade";
    proxy_set_header X-Forwarded-Proto http;
    proxy_pass http://puma__production;
    # limit_req zone=one;
    access_log /home/deploy/demo/shared/log/nginx.access.log;
    error_log /home/deploy/demo/shared/log/nginx.error.log;
  }

  location ~ ^assets/ {
    gzip_static on;
    expires max;
    add_header Cache-Control public;
  }

  location = /50x.html {
    root html;
  }

  location = /404.html {
    root html;
  }

  location @503 {
    error_page 405 = /system/maintenance.html;
    if (-f $document_root/system/maintenance.html) {
      rewrite ^(.*)$ /system/maintenance.html break;
    }
    rewrite ^(.*)$ /503.html break;
  }

  if ($request_method !~ ^(GET|HEAD|PUT|PATCH|POST|DELETE|OPTIONS)$ ){
    return 405;
  }

  if (-f $document_root/system/maintenance.html) {
    return 503;
  }
}                                                                                                                                  148,1         Bot