update appwide template cache when new template cache is generated

and useCache is off

internal/render/render.go

@@ -90,6 +90,7 @@ func RenderTemplate(w http.ResponseWriter, t string, data *models.TemplateData)
 		if err != nil {
 			app.Logger.Fatal("Error generating template cache, bailing out!")
 		}
+		app.TemplateCache = cache
 	}
 
 	// Get templates from cache