DbFirst/DbFirst.BlazorWebApp/Program.cs

using DbFirst.BlazorWebApp;
using DbFirst.BlazorWebApp.Components;
using DbFirst.BlazorWebApp.Services;
using DevExpress.Blazor;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddRazorComponents()
    .AddInteractiveServerComponents();

builder.Services.AddDevExpressBlazor(options => options.BootstrapVersion = BootstrapVersion.v5);
builder.Services.AddScoped<ThemeState>();
builder.Services.AddScoped<BandLayoutService>();

var apiBaseUrl = builder.Configuration["ApiBaseUrl"];
builder.Services.Configure<AppSettings>(builder.Configuration);
void ConfigureClient(HttpClient client)
{
    if (!string.IsNullOrWhiteSpace(apiBaseUrl))
        client.BaseAddress = new Uri(apiBaseUrl);
}

builder.Services.AddHttpClient<ICatalogApiClient, CatalogApiClient>(ConfigureClient);
builder.Services.AddHttpClient<IDashboardApiClient, DashboardApiClient>(ConfigureClient);
builder.Services.AddHttpClient<IMassDataApiClient, MassDataApiClient>(ConfigureClient);
builder.Services.AddHttpClient<ILayoutApiClient, LayoutApiClient>(ConfigureClient);

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();