Mautic dynamic JS not being cached

Hello,

First I'd like to thank you for this maintaining CentminMod for so long.

I have been using Centmin with Mautic for a while now without major issues, but I've never noticed that one of the JS files it creates does not get cached.

The URL in question is this: https://mautic.huternutrition.com/form/generate.js?id=1

I get the following response header

Code:

HTTP/2 200 OK
content-type: text/javascript; charset=UTF-8
cache-control: max-age=0, must-revalidate, private
date: Sun, 24 Jul 2022 01:55:29 GMT
expires: Sun, 24 Jul 2022 01:55:29 GMT
server: nginx centminmod
x-powered-by: centminmod
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
access-control-allow-origin: *
X-Firefox-Spdy: h2

I'm trying to improve this response. Maybe I need something other than Expires+Cache-Control header to cache this file? Because this is generated by PHP.

Code:

location ~ (.*)(mtc|generate).js {
    expires 7d;
    add_header Cache-Control "public, no-transform";
    try_files $uri /index.php?$args;
  }

This is not working and I guess because this gets redirected to a PHP file, which tells to not cache at any occasion. Which makes total sense, except for this case. Do you have any suggestion on how to cache this file? It's not even gziped.

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Any suggestions on how to improve this? Thank you!