I have some images in Google Cloud Storage that I want to cache through the standard browser cache. So, in file object metadata field I wrote:
Cache-control : public, max-age=300, no-transform.
But when I get the image by generated URL the cache header reads:
cache-control: no-cache, no-store, max-age=0, must-revalidate.
Why does it happen and how can I fix it?
Only objects that are public can be cached as also stated in the documentation:
Cache-Control only applies to objects with a public-read ACL. Non-public data are not cacheable.
You are able to set the Cache-Control metadata even if the object is not public, but it will have no effect.
Ok, I solve the problem. Google object has 2 links for access. The correct link you may see on the screenshot. Previously, I use the link on "link URL" section.
Difference between two links it is a request server:
I confused, but I don't observe little link button, so close to the big "link URL".
