Place the RDS instance in a public subnet and an IAM Lambda function outside the VPC. Schedule the Lambda function to run every 3 months to rotate the secrets.

Place the RDS instance in a private subnet and an IAM Lambda function inside the VPC in the private subnet. Configure the private subnet to use a NAT gateway. Schedule the Lambda function to run every 3 months to rotate the secrets.

Place the RDS instance in a private subnet and an IAM Lambda function outside the VPC. Configure the private subnet to use an internet gateway. Schedule the Lambda function to run every 3 months lo rotate the secrets.

Place the RDS instance in a private subnet and an IAM Lambda function inside the VPC in the private subnet. Schedule the Lambda function to run quarterly to rotate the secrets.

Place the RDS instance in a private subnet and an IAM Lambda function inside the VPC in the private subnet. Configure a Secrets Manager interface endpoint. Schedule the Lambda function to run every 3 months to rotate the secrets.