Update to version 10.2.0. Read: https://github.com/kataras/iris/blob/master/HISTORY.md#th-08-february-2018--v1020

Former-commit-id: 2eb94ec0f565b80790784ac55af024429384b3d3

_examples/routing/writing-a-middleware/globally/main.go

@@ -6,16 +6,29 @@ func main() {
 	app := iris.New()
 	// register the "before" handler as the first handler which will be executed
 	// on all domain's routes.
-	// or use the `UseGlobal` to register a middleware which will fire across subdomains.
-	app.Use(before)
+	// Or use the `UseGlobal` to register a middleware which will fire across subdomains.
+	// app.Use(before)
 	// register the "after" handler as the last handler which will be executed
 	// after all domain's routes' handler(s).
-	app.Done(after)
+	//
+	// Or use the `DoneGlobal` to append handlers that will be fired globally.
+	// app.Done(after)
 
 	// register our routes.
 	app.Get("/", indexHandler)
 	app.Get("/contact", contactHandler)
 
+	// Order of those calls doesn't matter, `UseGlobal` and `DoneGlobal`
+	// are applied to existing routes and future routes.
+	//
+	// Remember: the `Use` and `Done` are applied to the current party's and its children,
+	// so if we used the `app.Use/Don`e before the routes registration
+	// it would work like UseGlobal/DoneGlobal in this case, because the `app` is the root party.
+	//
+	// See `app.Party/PartyFunc` for more.
+	app.UseGlobal(before)
+	app.DoneGlobal(after)
+
 	app.Run(iris.Addr(":8080"))
 }
 
@@ -43,7 +56,7 @@ func indexHandler(ctx iris.Context) {
 	ctx.HTML("<h1>Response</h1>")
 	ctx.HTML("<br/> Info: " + info)
 
-	ctx.Next() // execute the "after" handler registered via `Done`.
+	ctx.Next() // execute the "after" handler registered via `DoneGlobal`.
 }
 
 func contactHandler(ctx iris.Context) {
@@ -52,5 +65,5 @@ func contactHandler(ctx iris.Context) {
 	// write something to the client as a response.
 	ctx.HTML("<h1>Contact</h1>")
 
-	ctx.Next() // execute the "after" handler registered via `Done`.
+	ctx.Next() // execute the "after" handler registered via `DoneGlobal`.
 }