private Task CreateDatabase()
        {
            var request = new CreateDBInstanceRequest
            {
                Engine                = "postgres",
                EngineVersion         = "9.4.5",
                DBInstanceClass       = _context.Settings.Database.InstanceClass,
                AllocatedStorage      = 5,
                PubliclyAccessible    = true,
                BackupRetentionPeriod = _context.Settings.Database.BackupRetentionPeriod,
                MasterUsername        = _context.Settings.Database.MasterUserName,
                MasterUserPassword    = _context.Settings.Database.MasterUserPassword,
                DBName                = _context.Settings.Database.Name,
                DBInstanceIdentifier  = _context.Settings.Database.Name
            };

            return(_client.CreateDBInstanceAsync(request));
        }