nginx reverse proxy conf add script

```
#!/bin/sh

domain=$1
ip=$2
file="/etc/nginx/conf.d/$domain.conf"

/bin/cat <<EOM >$file
server {
       listen       80;
       server_name $domain www.$domain;
       location / {
           proxy_pass         http://$ip:80;
           proxy_redirect     default;

           proxy_set_header   Host             \$host;
           proxy_set_header   X-Real-IP        \$remote_addr;
           proxy_set_header   X-Forwarded-For  \$proxy_add_x_forwarded_for;

           client_max_body_size       10m;
           client_body_buffer_size    128k;

           proxy_connect_timeout      90;
           proxy_send_timeout         90;
           proxy_read_timeout         90;

           proxy_buffer_size          4k;
           proxy_buffers              4 32k;
           proxy_busy_buffers_size    64k;
           proxy_temp_file_write_size 64k;
       }
}
EOM
```