Program.cs

using AsyncKeyedLock;
using EasyFortniteStats_ImageApi;
using EasyFortniteStats_ImageApi.Middleware;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddControllers();
builder.Services.AddMemoryCache();
builder.Services.AddEndpointsApiExplorer();
builder.Services.AddSwaggerGen();
builder.Services.AddSingleton<SharedAssets>();
builder.Services.AddHttpClient().ConfigureHttpClientDefaults(http =>
{
    // Prevent unexpectedly large upstream images from being buffered in managed memory.
    http.ConfigureHttpClient(client => client.MaxResponseContentBufferSize = 16 * 1024 * 1024);
});
builder.Services.AddSingleton(new AsyncKeyedLocker<string>(o =>
{
    o.PoolSize = 64;
    o.PoolInitialFill = -1;
}));

var app = builder.Build();

// Add API Key authentication middleware
app.UseMiddleware<ApiKeyAuthenticationMiddleware>();

if (app.Environment.IsDevelopment())
{
    app.UseSwagger();
    app.UseSwaggerUI();
}

app.MapControllers();

app.Run();