ApiConfig.cs

using System;
using DevStore.Bff.Checkout.Extensions;
using DevStore.Infra.Core.Configuration;
using DevStore.WebAPI.Core.Configuration;
using DevStore.WebAPI.Core.Extensions;
using DevStore.WebAPI.Core.Identity;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;

namespace DevStore.Bff.Checkout.Configuration;

public static class ApiConfig
{
    public static void AddApiConfiguration(this IServiceCollection services, IConfiguration configuration)
    {
        services.AddControllers();

        services.Configure<AppServicesSettings>(configuration);

        services.AddCors(options =>
        {
            options.AddPolicy("Total",
                builder =>
                    builder
                        .AllowAnyOrigin()
                        .AllowAnyMethod()
                        .AllowAnyHeader());
        });
        services.AddDefaultHealthCheck(configuration)
            .AddUrlGroup(new Uri($"{configuration["ShoppingCartUrl"]}/healthz-infra"), "Shopping Cart",
                tags: ["infra"],
                configurePrimaryHttpMessageHandler: _ => HttpExtensions.ConfigureClientHandler())
            .AddUrlGroup(new Uri($"{configuration["CatalogUrl"]}/healthz-infra"), "Catalog API",
                tags: ["infra"],
                configurePrimaryHttpMessageHandler: _ => HttpExtensions.ConfigureClientHandler())
            .AddUrlGroup(new Uri($"{configuration["CustomerUrl"]}/healthz-infra"), "Customer API",
                tags: ["infra"],
                configurePrimaryHttpMessageHandler: _ => HttpExtensions.ConfigureClientHandler())
            .AddUrlGroup(new Uri($"{configuration["PaymentUrl"]}/healthz-infra"), "Billing API",
                tags: ["infra"],
                configurePrimaryHttpMessageHandler: _ => HttpExtensions.ConfigureClientHandler())
            .AddUrlGroup(new Uri($"{configuration["OrderUrl"]}/healthz-infra"), "Order API", tags: ["infra"],
                configurePrimaryHttpMessageHandler: _ => HttpExtensions.ConfigureClientHandler());
    }

    public static void UseApiConfiguration(this WebApplication app, IWebHostEnvironment env)
    {
        if (env.IsDevelopment()) app.UseDeveloperExceptionPage();

        // Under certain scenarios, e.g. minikube / linux environment / behind load balancer
        // https redirection could lead dev's to overcomplicated configuration for testing purposes
        // In production is a good practice to keep it true
        if (app.Configuration["USE_HTTPS_REDIRECTION"] == "true")
            app.UseHttpsRedirection();

        app.UseRouting();

        app.UseCors("Total");

        app.UseAuthConfiguration();

        app.MapControllers();

        app.UseDefaultHealthcheck();
    }
}