Program.cs

using Blazored.LocalStorage;
using Microsoft.EntityFrameworkCore;
using MudBlazor;
using MudBlazor.Services;
using TaskSystem.Components;
using TaskSystem.Data;
using TaskSystem.Services;

var builder = WebApplication.CreateBuilder(args);
var connectionString = builder.Configuration.GetConnectionString("tasks.db");

// Add services to the container.
builder.Services.AddRazorComponents().AddInteractiveServerComponents();
builder.Services.AddMudServices(config =>
{
    config.SnackbarConfiguration.PositionClass = Defaults.Classes.Position.BottomLeft;
    config.SnackbarConfiguration.PreventDuplicates = false;
    config.SnackbarConfiguration.NewestOnTop = false;
    config.SnackbarConfiguration.ShowCloseIcon = true;
    config.SnackbarConfiguration.VisibleStateDuration = 1500;
    config.SnackbarConfiguration.HideTransitionDuration = 1000;
    config.SnackbarConfiguration.ShowTransitionDuration = 250;
    config.SnackbarConfiguration.SnackbarVariant = Variant.Outlined;
});
builder.Services.AddBlazoredLocalStorage();
builder.Services.AddSingleton<UpdateTitleService>();
builder.Services.AddScoped<ITaskService, TaskService>();
builder.Services.AddDbContextFactory<DatabaseContext>(options => options.UseSqlite(connectionString));

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Error", createScopeForErrors: true);
    // 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.UseAntiforgery();

app.MapRazorComponents<App>()
    .AddInteractiveServerRenderMode();

app.Run();