nginx 过期 header 和反向代理不起作用

我正在尝试为 nginx (0.7.67) 上的静态文件配置一个过期 header 。静态文件由 Golang 反向代理提供:

location /rev/ { 
  proxy_pass http://localhost:8910/; 
  proxy_redirect off; 
  proxy_set_header  Host               $host; 
  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  https; 
 
  # I am putting this here, because nginx only uses one location. Is this OK? 
  location ~* \.(js|css|jpg|jpeg|gif|png|svg|ico|pdf|html|htm)$ { 
    expires 30d; 
  } 
} 

当我这样做时，重启 nginx 没有错误，但不再提供静态文件。

我已经尝试过以下星座，但它不起作用:

server { 
  ... 
  location /rev/ { 
    proxy_pass http://localhost:8910/; 
    proxy_redirect off; 
    proxy_set_header  Host               $host; 
    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  https; 
  } 
 
  location ~* \.(js|css|jpg|jpeg|gif|png|svg|ico|pdf|html|htm)$ { 
      expires 30d; 
  } 
} 

问题:如何为位于反向代理后面的应用程序上的静态文件应用过期 header ？

请您参考如下方法:

我设法完成它的唯一方法是这样的:

location / { 
    proxy_pass  http://tomcat; 
} 
 
# CACHING WITH NO LOGGING 
location ~* ^.+\.(atom|bmp|bz2|doc|docx|eot|exe|gif|gz|ico|jpeg|jpg|mid|midi|mp4|ogg|ogv|otf|pdf|png|ppt|pptx|rar|rss|rtf|svg|svgz|swf|tar|tgz|ttf|txt|wav|woff|xls|zip)$ { 
    access_log  off; 
    log_not_found   off; 
    expires     max; 
    proxy_pass  http://tomcat; 
} 
 
# CACHING WITH 404 LOGGING 
location ~* ^.+\.(css|js|xml)$ { 
    access_log  off; 
    log_not_found   on; 
    expires     max; 
    proxy_pass  http://tomcat; 
} 

希望对您有所帮助!