Program.cs

using pyatform.Data;
using pyatform.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.AspNetCore.Identity;
using pyatform.Services;
using Microsoft.IdentityModel.Tokens;
using System.Text;
using Azure.Storage.Blobs;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.

builder.Services.AddControllers();
// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

// DbContext
builder.Services.AddDbContext<ApplicationDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("DefaultConnection")));

// identity
builder.Services.AddIdentityApiEndpoints<User>()
       .AddEntityFrameworkStores<ApplicationDbContext>();

// custom services
builder.Services
.AddScoped<IChallengeService, ChallengeService>()
.AddScoped<ISolutionService, SolutionService>()
.AddScoped<IBlobService, BlobService>()
.AddScoped<IUserService, UserService>();

var app = builder.Build();

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

app.UseMiddleware<ExceptionMiddleware>();

app.UseHttpsRedirection();

app.UseAuthentication();
app.UseAuthorization();

app.MapIdentityApi<User>();
app.MapControllers();

using (var scope = app.Services.CreateScope())
{
    var db = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();

    db.Database.Migrate();
}

app.Run();