PlanTempusApp/Database/ModuleRegistry/DbPostgreSqlModule.cs

using Autofac;
using Npgsql;
using System.Data;
namespace PlanTempus.Database.ModuleRegistry
{
    public class DbPostgreSqlModule : Module
    {
        public required string ConnectionString { get; set; }
        protected override void Load(ContainerBuilder builder)
        {
            Insight.Database.Providers.PostgreSQL.PostgreSQLInsightDbProvider.RegisterProvider();

            builder.Register(c =>
            {
                IDbConnection connection = new NpgsqlConnection(ConnectionString);
                return connection;
            })
                .InstancePerLifetimeScope();

        }
    }
}