What are the best practices for database connection pooling in Node.js?

What are the best practices for database connection pooling in Node.js?

Some best practices include setting a maximum pool size, using connection timeouts, and handling errors gracefully.

How do I set the maximum pool size in my Node.js application?

You can set the maximum pool size by configuring the pool options when creating a connection pool, like this: pool = new Pool({ max: 20 });.

What should I do if a connection fails?

You should implement error handling to retry the connection or log the error for further investigation.

Are there any libraries you recommend for connection pooling?

Yes, popular libraries include pg for PostgreSQL and mysql2 for MySQL, both of which support connection pooling.