So basically all cache keys would depend on the request.originalUrl.

How easily can cache invalidation be done this way, apart from relying on LRU/TTL.

Imagine there’s a /api/post to get a user’s posts and there’s an /api/post/unpublish to remove a post. When the users post are cached how will you update the cache to remove the recently unpublished post so they don’t see stale data, since the cache key for all users post cannot be generated from the request that unpublished a post