var builder = WebApplication.CreateBuilder(args); builder.Services.AddReverseProxy().LoadFromConfig(builder.Configuration.GetSection("ReverseProxy")); builder.Services.AddCors(options => { options.AddPolicy("customPolicy", builder => { builder.AllowAnyOrigin() .AllowAnyMethod() .AllowAnyHeader(); }); }); var app = builder.Build(); app.UseCors(); app.MapGet("/", () => "Hello World!"); app.MapReverseProxy(); app.Run();