const vpc = new ec2.Vpc(this, 'VPC', { cidr: props.vpcCidr, natGateways: 1, maxAzs: 2, subnetConfiguration: [ { name: 'digdag-public', subnetType: ec2.SubnetType.PUBLIC, }, { name: 'digdag-private', subnetType: ec2.SubnetType.PRIVATE, }, { name: 'digdag-db', subnetType: ec2.SubnetType.ISOLATED, } ] }) const db = new rds.DatabaseCluster(this, 'DBCluster', { engine: rds.DatabaseClusterEngine.AURORA_