What are the best practices for using AWS Lambda with VPC?

What are the best practices for using AWS Lambda with VPC?

When using AWS Lambda with a VPC, consider the following best practices: 1. Use private subnets for security. 2. Ensure your Lambda function has the necessary IAM permissions. 3. Optimize your VPC configuration to reduce cold start times. 4. Use VPC endpoints to access AWS services without going through the internet.

How can I reduce cold start times for my Lambda functions?

To reduce cold start times, you can keep your Lambda functions warm by scheduling regular invocations, using provisioned concurrency, and minimizing the size of your deployment package.

What IAM permissions should I assign to my Lambda function?

Assign only the permissions necessary for your Lambda function to perform its tasks. Use the principle of least privilege and consider creating a specific IAM role for your Lambda function.

Can I access RDS from my Lambda function in a VPC?

Yes, you can access RDS from your Lambda function in a VPC. Ensure that your Lambda function is in the same VPC and subnet as your RDS instance, and that the security groups allow the necessary traffic.