Gets in-memory runtime minifiy cache working, ensures no files can be accessed at the root, adds config to enable in-memory and configure a cache buster including a timestamp cache buster.

src/Umbraco.Web.UI.NetCore/appsettings.Development.json

@@ -17,30 +17,34 @@
         ]
     },
     "Umbraco": {
-        "CMS": {
-          "Global": {
-              "Smtp": {
-                //"From": "your@email.here",
-                //"Host": "localhost",
-                // "Port": "25"
-              }
-          },
-          "Hosting": {
-              "Debug": true
-          },
-          "RichTextEditor": {
-            "Commands" : [
-              {
-                "Alias": "fullscreen",
-                "Name": "Full Screen",
-                "Mode": "All"
-              }
-            ],
-            "Plugins": [
-              "fullscreen"
-            ]
+      "CMS": {
+        "Global": {
+          "Smtp": {
+            //"From": "your@email.here",
+            //"Host": "localhost",
+            // "Port": "25"
           }
+        },
+        "Hosting": {
+          "Debug": true
+        },
+        "RuntimeMinification": {
+          "useInMemoryCache": true,
+          "cacheBuster": "Timestamp"
+        },
+        "RichTextEditor": {
+          "Commands": [
+            {
+              "Alias": "fullscreen",
+              "Name": "Full Screen",
+              "Mode": "All"
+            }
+          ],
+          "Plugins": [
+            "fullscreen"
+          ]
         }
+      }
 
     }
 }