cache-able static files (max-age) extensions method

zero/Media/MediaApplicationBuilderExtensions.cs

@@ -0,0 +1,22 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Net.Http.Headers;
+
+namespace zero.Media;
+
+public static class MediaApplicationBuilderExtensions
+{
+  public static IApplicationBuilder UseStaticFilesWithCache(this IApplicationBuilder app, TimeSpan cacheDuration)
+  {
+    return app.UseStaticFiles(new StaticFileOptions
+    {
+      OnPrepareResponse = ctx =>
+      {
+        ctx.Context.Response.Headers[HeaderNames.CacheControl] = "public, must-revalidate, max-age=" + (int)cacheDuration.TotalSeconds;
+      },
+      OnPrepareResponseAsync = async ctx =>
+      {
+        await Task.Delay(0);
+      }
+    });
+  }
+}

zero/Media/ZeroMediaModule.cs

@@ -1,15 +1,13 @@
-using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
-using SixLabors.ImageSharp.Processing;
-using System.IO;
-using Microsoft.AspNetCore.Builder;
-using Microsoft.AspNetCore.Routing;
 using SixLabors.ImageSharp.Web.Caching;
 using SixLabors.ImageSharp.Web.DependencyInjection;
+using System.IO;
 using zero.Media.ImageSharp;
-using zero.Numbers;
 using zero.Media.ImageSharp.Processors;
 
 namespace zero.Media;