New iris.WithKeepAlive(time.Duration) Configurator is added as a helper to enable TCP listener featured with keep-alive

_examples/file-server/basic/main.go

@@ -26,6 +26,8 @@ func newApp() *iris.Application {
 		Compress: false,
 		// List the files inside the current requested directory if `IndexName` not found.
 		ShowList: false,
+		// When ShowList is true you can configure if you want to show or hide hidden files.
+		ShowHidden: false,
 		Cache: iris.DirCacheOptions{
 			// enable in-memory cache and pre-compress the files.
 			Enable: true,

_examples/http-server/listen-addr/main.go

@@ -1,8 +1,6 @@
 package main
 
-import (
-	"github.com/kataras/iris/v12"
-)
+import "github.com/kataras/iris/v12"
 
 func main() {
 	app := iris.New()
@@ -13,5 +11,9 @@ func main() {
 
 	// http://localhost:8080
 	// Identical to: app.Run(iris.Addr(":8080"))
+
 	app.Listen(":8080")
+	// To listen using keep alive tcp connection listener,
+	// set the KeepAlive duration configuration instead:
+	// app.Listen(":8080", iris.WithKeepAlive(3*time.Minute))
 }