DbFirst/DbFirst.BlazorWebApp/Program.cs

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();

var apiBaseUrl = builder.Configuration["ApiBaseUrl"];
if (!string.IsNullOrWhiteSpace(apiBaseUrl))
{
    builder.Services.AddHttpClient<CatalogApiClient>(client =>
    {
        client.BaseAddress = new Uri(apiBaseUrl);
    });
    builder.Services.AddHttpClient<DashboardApiClient>(client =>
    {
        client.BaseAddress = new Uri(apiBaseUrl);
    });
    builder.Services.AddHttpClient<MassDataApiClient>(client =>
    {
        client.BaseAddress = new Uri(apiBaseUrl);
    });
}
else
{
    builder.Services.AddHttpClient<CatalogApiClient>();
    builder.Services.AddHttpClient<DashboardApiClient>();
    builder.Services.AddHttpClient<MassDataApiClient>();
}

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();