Set UriRelativeCacheKey as default and ensure it's registered

Author: ronaldbarendse

samples/ImageSharp.Web.Sample/Startup.cs

@@ -54,7 +54,7 @@ public void ConfigureServices(IServiceCollection services)
                                 provider.GetRequiredService<IOptions<ImageSharpMiddlewareOptions>>(),
                                 provider.GetRequiredService<FormatUtilities>());
                 })
-                .SetCacheKey<CacheKey>()
+                .SetCacheKey<UriRelativeCacheKey>()
                 .SetCacheHash<CacheHash>()
                 .AddProvider<PhysicalFileSystemProvider>()
                 .AddProcessor<ResizeWebProcessor>()
@@ -130,7 +130,7 @@ private void ConfigureCustomServicesAndCustomOptions(IServiceCollection services
                         provider.GetRequiredService<IOptions<ImageSharpMiddlewareOptions>>(),
                         provider.GetRequiredService<FormatUtilities>());
                 })
-                .SetCacheKey<CacheKey>()
+                .SetCacheKey<UriRelativeCacheKey>()
                 .SetCacheHash<CacheHash>()
                 .ClearProviders()
                 .AddProvider<PhysicalFileSystemProvider>()

src/ImageSharp.Web/Caching/CacheKey.cs

@@ -64,7 +64,7 @@ private static void AddDefaultServices(
 
             builder.SetCache<PhysicalFileSystemCache>();
 
-            builder.SetCacheKey<CacheKey>();
+            builder.SetCacheKey<UriRelativeCacheKey>();
 
             builder.SetCacheHash<CacheHash>();
 

src/ImageSharp.Web/DependencyInjection/ServiceCollectionExtensions.cs

@@ -23,6 +23,7 @@ public void DefaultServicesAreRegistered()
             Assert.Contains(services, x => x.ServiceType == typeof(FormatUtilities));
             Assert.Contains(services, x => x.ServiceType == typeof(IRequestParser) && x.ImplementationType == typeof(QueryCollectionRequestParser));
             Assert.Contains(services, x => x.ServiceType == typeof(IImageCache) && x.ImplementationType == typeof(PhysicalFileSystemCache));
+            Assert.Contains(services, x => x.ServiceType == typeof(ICacheKey) && x.ImplementationType == typeof(UriRelativeCacheKey));
             Assert.Contains(services, x => x.ServiceType == typeof(ICacheHash) && x.ImplementationType == typeof(CacheHash));
             Assert.Contains(services, x => x.ServiceType == typeof(IImageProvider) && x.ImplementationType == typeof(PhysicalFileSystemProvider));
             Assert.Contains(services, x => x.ServiceType == typeof(IImageWebProcessor) && x.ImplementationType == typeof(ResizeWebProcessor));