What are some effective caching strategies in Express.js?

What are some effective caching strategies in Express.js?

In Express.js, you can use various caching strategies like in-memory caching, file caching, and using caching middleware.

Can you explain how in-memory caching works?

In-memory caching stores data in the server's RAM, allowing for quick access. Libraries like Node-cache can be used.

What about using Redis for caching?

Redis is a powerful in-memory data structure store that can be used for caching in Express.js, providing persistence and scalability.

Are there any downsides to caching?

Yes, caching can lead to stale data if not managed properly, and it may increase complexity in your application.