How can I implement caching in my Express application?

How can I implement caching in my Express application?

You can use middleware like apicache or express-cache-controller to implement caching in your Express app.

Can you show me a basic example using apicache?

Sure! First, install apicache using npm. Then, you can set it up like this:

const apicache = require('apicache');
const express = require('express');

const app = express();
const cache = apicache.middleware;

app.get('/data', cache('5 minutes'), (req, res) => {
    res.json({ message: 'This is cached data!' });
});

app.listen(3000, () => console.log('Server running on port 3000'));

What are the benefits of caching in an Express app?

Caching can significantly improve performance by reducing response times and server load, especially for frequently requested data.

Are there any downsides to using caching?

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