private static void AddSqlServer(this IServiceCollection services) { var connectionString = Environment.GetEnvironmentVariable(EnvironmentConstants.ConnectionStringSqlCustomer); var databaseSettings = new List <DatabaseSettings> { DatabaseSettings.Builder(EnvironmentConstants.ConnectionStringSqlCustomer, connectionString) }; services.AddTransient <IDatabaseFactory <SqlServerDatabase> >(s => new DatabaseFactory <SqlServerDatabase>(databaseSettings, EnvironmentConstants.ConnectionStringSqlCustomer)); }