Program.cs

using AspNetCoreRateLimit;
using Microsoft.AspNetCore.HttpOverrides;
using Microsoft.EntityFrameworkCore;
using Microsoft.OpenApi.Models;
using ParadisePublicAPI.Database;
using ParadisePublicAPI.ProfilerDatabase;
using System.Reflection;

WebApplicationBuilder builder = WebApplication.CreateBuilder(args);



builder.Services.AddControllers();
builder.Services.AddEndpointsApiExplorer();
// Setup swagger
builder.Services.AddSwaggerGen(options => {
    options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, $"{Assembly.GetExecutingAssembly().GetName().Name}.xml"));
    options.EnableAnnotations();
    options.SwaggerDoc("v1", new OpenApiInfo {
        Version = "v1",
        Title = "Paradise Public API",
        Description = "Paradise Station public API for data querying. This API may change with no notice.<br>Source: <a href=\"https://github.com/ParadiseSS13/ParadisePublicAPI\">https://github.com/ParadiseSS13/ParadisePublicAPI</a><br>Requests are limited to 500 every minute, and 3600 every hour."
    });
});

// Setup Game DB
builder.Services.AddDbContext<paradise_gamedbContext>(options => {
    options.UseMySql(builder.Configuration.GetConnectionString("GameDB"), ServerVersion.AutoDetect(builder.Configuration.GetConnectionString("GameDB")));
});

// Setup profiler DB
builder.Services.AddDbContext<paradise_profilerdaemonContext>(options => {
    options.UseMySql(builder.Configuration.GetConnectionString("ProfilerDB"), ServerVersion.AutoDetect(builder.Configuration.GetConnectionString("ProfilerDB")));
});

// Setup IP preservation for...
builder.Services.Configure<ForwardedHeadersOptions>(options => {
    options.ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto;
});

// Setup IP rate lmiting
builder.Services.AddMemoryCache();
builder.Services.Configure<IpRateLimitOptions>(options => {
    options.EnableEndpointRateLimiting = true;
    options.StackBlockedRequests = false;
    options.RealIpHeader = "X-Forwarded-For";
    options.HttpStatusCode = 429;
    options.GeneralRules = new List<RateLimitRule> {
        new RateLimitRule {
            Endpoint = "*",
            Period = "1m",
            Limit = 500,
        },
        new RateLimitRule {
            Endpoint = "*",
            Period = "1h",
            Limit = 3600,
        }
    };
    options.IpWhitelist = new List<String>();
    options.IpWhitelist.Add("10.0.0.0/16"); // Ignore internal subnets
});
builder.Services.AddSingleton<IIpPolicyStore, MemoryCacheIpPolicyStore>();
builder.Services.AddSingleton<IRateLimitCounterStore, MemoryCacheRateLimitCounterStore>();
builder.Services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
builder.Services.AddSingleton<IRateLimitConfiguration, RateLimitConfiguration>();
builder.Services.AddSingleton<IProcessingStrategy, AsyncKeyLockProcessingStrategy>();

WebApplication app = builder.Build();

app.UseSwagger();
app.UseSwaggerUI(options => {
    options.SwaggerEndpoint("swagger/v1/swagger.json", "v1");
    options.RoutePrefix = String.Empty;
    
});

app.UseIpRateLimiting();
app.MapControllers();
app.Run();