dotnet Program.cs example (no Startup.cs required)

Program.cs

using Blog.EFLayer.Models;
using Microsoft.EntityFrameworkCore;
using Jolisoft.Common.Logging; //AddFileLogger

namespace Blog.Api;

public class Program
{
    public static void Main(string[] args)
    {
        var builder = WebApplication.CreateBuilder(args);

        //1). Add services to the container.
        builder.Services.AddControllers();

        builder.Services.AddOpenApi(); 

        builder.Services.AddDbContext<BlogDbCtx>(
            options => options.UseNpgsql(builder.Configuration.GetConnectionString("PostgresCnnStr"))
        );

        builder.Logging.AddFileLogger(builder.Configuration);

        var app = builder.Build();

        //2). Configure the HTTP request pipeline.
        if (app.Environment.IsDevelopment())
        {
            app.MapOpenApi();
        }

        app.UseHttpsRedirection();

        app.UseAuthorization();

        app.MapControllers();

        app.Run();
    }
}