MassTech-UI/Config/Register/RegisteringServices.cs

 using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Auth.Module.Config;
using Auth.Module.Services;
using ECommerceModule.Config;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Http;

namespace UI.Config.Register;

public static class RegisteringServices
{
    public static IServiceCollection RegisterServices(
        this IServiceCollection services,
        IConfiguration config
    )
    {
        services.AddHTTPClients(config);
        services.RegisteredServices();

        return services;
    }

    public static IServiceCollection RegisteredServices(this IServiceCollection services)
    {
        services.AuthModuleServices();
        services.ECommerceModuleServices();

        // Common Services
        services.AddScoped<Common.Services.IToastService, Common.Services.ToastService>();

        // Commerce Module Services

        return services;
    }

    public static IServiceCollection AddHTTPClients(
        this IServiceCollection services,
        IConfiguration config
    )
    {
        var authUrl = config.GetValue<string>("ApiBaseUrls:Auth") ?? "https://api.mass-tech.net/api/v1/";
        var commerceUrl = config.GetValue<string>("ApiBaseUrls:Commerce") ?? "https://ecommerceapi.mass-tech.net/api/v1/";
        var cdnUrl = config.GetValue<string>("ApiBaseUrls:CDN") ?? "https://cdn.mass-tech.net/api/v1/";

        services.AddHttpClient(
            "Auth",
            client =>
            {
                client.BaseAddress = new Uri(authUrl);
            }
        );
        services.AddHttpClient(
            "Commerce",
            client =>
            {
                client.BaseAddress = new Uri(commerceUrl);
            }
        );
        services.AddHttpClient(
            "CDN",
            client =>
            {
                client.BaseAddress = new Uri(cdnUrl);
            }
        );

        return services;
    }
}