Cors

Program.cs

@@ -8,6 +8,7 @@ using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.IdentityModel.Tokens;
 using System.Text;
+using Microsoft.AspNetCore.Http;
 
 var builder = WebApplication.CreateBuilder(args);
 builder.WebHost.ConfigureKestrel(serverOptions => {});
@@ -82,6 +83,19 @@ builder.Services.AddCors(options =>
 
 var app = builder.Build();
 app.UseCors("AllowAll");
+
+// Enable OPTIONS requests to reach controllers
+app.Use(async (context, next) =>
+{
+    if (context.Request.Method == HttpMethods.Options)
+    {
+        context.Response.StatusCode = 204;
+        return;
+    }
+
+    await next();
+});
+
 app.UseSwagger();
 app.UseSwaggerUI();