структура

PARR_API/Installers/CorsInstaller.cs

@@ -0,0 +1,25 @@
+using PARR_API.Settings;
+
+namespace PARR_API.Installers
+{
+    public static class CorsInstaller
+    {
+        public static void InstallCorsServices(this IServiceCollection services)
+        {
+            services.AddCors();
+        }
+
+        public static void InstallCors(this WebApplication app, WebApplicationBuilder builder)
+        {
+            var corsSettings = new CorsSettings();
+            builder.Configuration.GetSection(nameof(CorsSettings)).Bind(corsSettings);
+
+            app.UseCors(opt =>
+                opt.WithOrigins(corsSettings.AllowHostsArray)
+                    .AllowAnyHeader()
+                    .AllowAnyMethod()
+            );
+        }
+
+    }
+}