FictionArchive/FictionArchive.API/Program.cs

using FictionArchive.Service.Shared.Extensions;

namespace FictionArchive.API;

public class Program
{
    public static void Main(string[] args)
    {
        var builder = WebApplication.CreateBuilder(args);

        builder.Services.AddHealthChecks();
        
        #region Fusion Gateway

        // Register header propagation service to forward Authorization header to subgraphs
        builder.Services.AddHttpClient("Fusion")
            .AddHeaderPropagation();
        builder.Services.AddHeaderPropagation(opt =>
        {
            opt.Headers.Add("Authorization");
        });

        builder.Services
            .AddFusionGatewayServer()
            .ConfigureFromFile("gateway.fgp")
            .CoreBuilder.ApplySaneDefaults();
        
        builder.Services.AddOidcAuthentication(builder.Configuration);
        
        #endregion
        
        var allowedOrigin = builder.Configuration["Cors:AllowedOrigin"] ?? "http://localhost:4321";
        builder.Services.AddCors(options =>
        {
            options.AddPolicy("AllowFictionArchiveOrigins",
                policyBuilder =>
                {
                    policyBuilder.WithOrigins(allowedOrigin)
                        .AllowAnyMethod()
                        .AllowAnyHeader()
                        .AllowCredentials();
                });
        });

        var app = builder.Build();

        app.UseCors("AllowFictionArchiveOrigins");
        
        app.MapHealthChecks("/healthz");

        app.UseHeaderPropagation();

        app.MapGraphQL();

        app.RunWithGraphQLCommands(args);
    }
}