OpenIM集群（非k8s）部署文档

      gzip on;
      gzip_min_length 1k;
      gzip_buffers 4 16k;
      gzip_comp_level 2;
      gzip_types text/plain application/javascript application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;
      gzip_vary off;
      gzip_disable "MSIE [1-6].";

  location / {
          proxy_pass http://127.0.0.1:10005/;
          proxy_set_header X-Real-IP $remote_addr;
          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
          proxy_set_header X-Forwarded-Proto $scheme;
          proxy_set_header Host $http_host;
          proxy_http_version 1.1;
          client_max_body_size 8000M;

  }
}