Sequence/Program.cs

using Microsoft.EntityFrameworkCore;
using Sequence.Entities;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews().AddJsonOptions(options => 
{
    //options.JsonSerializerOptions.MaxDepth = 3;
    options.JsonSerializerOptions.ReferenceHandler = System.Text.Json.Serialization.ReferenceHandler.IgnoreCycles;
});

builder.Services.AddDbContext<DbContext>((services, options) =>
{
    var configuration = services.GetService<IConfiguration>();

    var version = new MySqlServerVersion(new Version(10, 6));
    var connectionString = configuration.GetConnectionString("MariaDB");

    options.UseMySql(connectionString, version);
});

builder.Services.AddDefaultIdentity<User>(options =>
    {
        options.SignIn.RequireConfirmedAccount = false;
    })
    .AddEntityFrameworkStores<DbContext>();

builder.Services.ConfigureApplicationCookie(options =>
{
    options.LoginPath = "/login";
});

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();