const db = new rds.DatabaseCluster(this, 'DatabaseCluster', {
      engine: rds.DatabaseClusterEngine.auroraPostgres({
        version: rds.AuroraPostgresEngineVersion.VER_13_7,
      }),
      instanceProps: {
        instanceType: ec2.InstanceType.of(ec2.InstanceClass.T3, ec2.InstanceSize.MEDIUM),
      },
      instances: 1,
      backup: { retention: Duration.days(7) },
      removalPolicy: RemovalPolicy.RETAIN,
      deletionProtection: true,
      credentials: rdsCredentials,
      defaultDatabaseName: this.dbName,
    });

    this.dbProxy = db.addProxy(id + 'proxy', {
      secrets: [rdsSecret],
      vpc: props.vpc,
      debugLogging: false,
      iamAuth: true,
    });

    this.readOnlyDbProxy = db.addProxy(id + 'read-only-proxy', {
      secrets: [rdsReadOnlySecret],
      vpc: props.vpc,
      debugLogging: false,
      iamAuth: true,
    });