c#
var builder = WebApplication.CreateBuilder(args);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

builder.Services.AddDbContext<VoithosDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("Database")));

builder.Services.AddIdentity<User, IdentityRole>()
    .AddEntityFrameworkStores<VoithosDbContext>()
    .AddApiEndpoints();

builder.Services.AddAuthentication().AddBearerToken(IdentityConstants.BearerScheme);
builder.Services.AddAuthorizationBuilder();

builder.Services.AddHostedService<ProductFetchBackgroundService>();
builder.Services.AddScoped<ProductFetchService>();

builder.Services
    .AddAutoMapperProfiles()
    .AddServices()
    .AddMediatR(typeof(HandlerBase))
    .AddCors(options =>
    {
        options.AddPolicy("CorsPolicy", corsBuilder =>
        {
            corsBuilder.AllowAnyOrigin()
                .AllowAnyMethod()
                .AllowAnyHeader();
        });
    })
    .AddControllers();

var app = builder.Build();

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

app.UseHttpsRedirection();

app.MapIdentityApi<User>();

app
    .UseExceptionHandling()
    .UseSwagger()
    .UseSwaggerUI()
    .UseRouting()
    .UseCors("CorsPolicy")
    .UseAuthentication()
    .UseAuthorization()
    .UseEndpoints(endpoints => endpoints.MapControllers());


app.Run();

c#
var builder = WebApplication.CreateBuilder(args);

builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();

builder.Services.AddDbContext<VoithosDbContext>(options =>
    options.UseNpgsql(builder.Configuration.GetConnectionString("Database")));

builder.Services.AddIdentity<User, IdentityRole>()
    .AddEntityFrameworkStores<VoithosDbContext>()
    .AddApiEndpoints();

builder.Services.AddAuthentication().AddBearerToken(IdentityConstants.BearerScheme);
builder.Services.AddAuthorizationBuilder();

builder.Services.AddHostedService<ProductFetchBackgroundService>();
builder.Services.AddScoped<ProductFetchService>();

builder.Services
    .AddAutoMapperProfiles()
    .AddServices()
    .AddMediatR(typeof(HandlerBase))
    .AddCors(options =>
    {
        options.AddPolicy("CorsPolicy", corsBuilder =>
        {
            corsBuilder.AllowAnyOrigin()
                .AllowAnyMethod()
                .AllowAnyHeader();
        });
    })
    .AddControllers();

var app = builder.Build();

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

app.UseHttpsRedirection();

app.MapIdentityApi<User>();

app
    .UseExceptionHandling()
    .UseSwagger()
    .UseSwaggerUI()
    .UseRouting()
    .UseCors("CorsPolicy")
    .UseAuthentication()
    .UseAuthorization()
    .UseEndpoints(endpoints => endpoints.MapControllers());


app.Run();