Send 'Vary: Content-Encoding' header from nginx

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Send 'Vary: Content-Encoding' header from nginx #2787

Closed sandhose closed 1 week ago

sandhose commented 1 week ago

Looks like it's not the default. This makes it so that nginx sends Vary: Accept-Encoding header to the client. If we don't do this, Cloudflare will cache the first response with that particular encoding, and not care about the subsequent responses.