从上游docker ubuntu fastcgi读取响应头时，上游发送了太大的头

Question

上游在从上游读取响应头时发送了太大的头：“fastcgi：// unix：/var/run/php-fpm.sock：”

 server {
  ...
  ...
  location ~ '\.php$|^/update.php' {
    fastcgi_split_path_info ^(.+?\.php)(|/.*)$;
    #NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
    #fastcgi_pass 127.0.0.1:7777;
    fastcgi_pass unix:/var/run/php-fpm.sock;
    fastcgi_index index.php;
    include fastcgi_params;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    fastcgi_param PATH_INFO $fastcgi_path_info;
    fastcgi_intercept_errors on;
    fastcgi_buffer_size 32k;
    fastcgi_buffers 16 16k;
    fastcgi_busy_buffers_size 256k;
    fastcgi_read_timeout 180;
    fastcgi_send_timeout 180;

  }
}
http {
  proxy_buffering off;
}

我在当地的码头上得到这个。我已经为缓冲区和缓冲区大小尝试了不同的值。关于如何应对这个问题有什么建议吗？