# How to set frontend assets' Cache-Control header?

**URL:** <https://discuss.rubyonrails.org/t/how-to-set-frontend-assets-cache-control-header/87716>\
**Category:** rubyonrails-docs\
**Created:** [October 16, 2024, 3:36pm UTC](https://discuss.rubyonrails.org/t/how-to-set-frontend-assets-cache-control-header/87716 "2024-10-16T15:36:29Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rio.liao](https://sea2.discourse-cdn.com/rubyonrails/user_avatar/discuss.rubyonrails.org/rio.liao/32/12227_2.png) [@rio.liao](https://discuss.rubyonrails.org/u/rio.liao)\
**Post date:** [October 16, 2024, 3:36pm UTC](https://discuss.rubyonrails.org/t/how-to-set-frontend-assets-cache-control-header/87716/1 "2024-10-16T15:36:29Z")

</div>

![image](https://global.discourse-cdn.com/rubyonrails/original/2X/7/7539ecf3e730308c14d94ce0c105314922d98ed7.png)

Add `config.public_file_server.headers` doesn’t work. Should be a simple config, but I only got:

 ![image](https://global.discourse-cdn.com/rubyonrails/original/2X/f/f10c71ba40d305fbc88bfe43aa0412919101dc5a.png)

Ain’t I missing something here? Please shed some light on this…