How can I use Redis with Node.js?

How can I use Redis with Node.js?

You can use the redis package in Node.js to connect to a Redis server. First, install it using npm: npm install redis. Then, you can create a client and start using Redis commands.

Can you show me a simple example of connecting to Redis?

Sure! Here's a basic example:

const redis = require('redis');
const client = redis.createClient();

client.on('error', (err) => {
  console.log('Error: ' + err);
});

client.set('key', 'value', redis.print);
client.get('key', (err, reply) => {
  console.log(reply); // Will print 'value'
});

What are some common commands I can use with Redis?

Some common Redis commands include:

• SET and GET for key-value pairs
• HSET and HGET for hashes
• LPUSH and LRANGE for lists
• SADD and SMEMBERS for sets.

Is Redis suitable for session management in Node.js?

Yes, Redis is often used for session management due to its fast performance and ability to store data in memory. You can use libraries like connect-redis with Express to manage sessions.