cache-control

Decides what may be cached, for a service that says nothing about it. This is the filter that keeps a personal page out of a shared cache, and the one that lets a public catalogue be kept for an hour.

Parameters

Name	Type	Required	What it does
`value`	string	yes	The `Cache-Control` sent, e.g. `public, max-age=3600` or `no-store`.

Example

filters:
  - type: cache-control
    args:
      value: no-store

Notes

no-store for personal data, public, max-age=3600 for shared content.

Expires and Pragma are removed at the same time: they could say the opposite, and the older header wins in some caches. Saying one thing twice is how a page gets cached that should not have been.