Program.cs

using System;
using BlazorShopApp.Components;
using BlazorShopApp.Components.Layout;
using Microsoft.AspNetCore.Cors.Infrastructure;
using Microsoft.EntityFrameworkCore;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddRazorComponents()
    .AddInteractiveServerComponents();
builder.Services.AddHttpClient();
builder.Services.AddScoped(sp =>
    new HttpClient
    {
        BaseAddress = new Uri(builder.Configuration["FrontendUrl"] ?? "https://localhost:7165")
    });
builder.Services.AddControllers();
/*builder.Services.AddDbContextFactory<AppDbContext>(options =>
    options.UseSqlServer(
        builder.Configuration.GetConnectionString("DefaultConnection") ??
        throw new InvalidOperationException(
            "Connection string 'BlazorWebAppMoviesContext' not found.")));*/
builder.Services.AddDbContext<AppDbContext>(options =>
    options.UseMySQL(builder.Configuration.GetConnectionString("DefaultConnection")));

/*builder.Services.AddDbContext<AppDbContext>(options =>
    options.UseSqlServer(builder.Configuration.GetConnectionString("DefaultConnection")));*/


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.UseRouting();
app.UseAntiforgery();

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

app.Run();