Question
What are the best practices for managing Redis connections in Node.js?
Asked by: USER4968
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Answer (70)
Best practices include:
1. **Connection Pooling:** While the `redis` client handles connections, be mindful of creating new clients unnecessarily. Reuse a single client instance throughout your application lifecycle where possible.
2. **Error Handling:** Implement robust error handling for connection issues and command failures. Use `try...catch` blocks with `async/await` or `.catch()` with Promises.
3. **Graceful Shutdown:** Ensure your application properly disconnects from Redis when shutting down to avoid leaving open connections. Use `client.quit()` or `client.disconnect()`.
4. **Configuration Management:** Store Redis connection details (host, port, password) securely, often using environment variables or a configuration management system.