Add More Examples & Categorized in Folders & TOC

Part 2.


Former-commit-id: 3ccb7c259e86c0b6e5147d372aa9cff10c1b5bb1

_examples/intermediate/graceful-shutdown/main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"context"
+	"time"
+
+	"gopkg.in/kataras/iris.v6"
+	"gopkg.in/kataras/iris.v6/adaptors/httprouter"
+)
+
+func main() {
+	app := iris.New()
+	// output startup banner and error logs on os.Stdout
+	app.Adapt(iris.DevLogger())
+	// set the router, you can choose gorillamux too
+	app.Adapt(httprouter.New())
+
+	app.Get("/hi", func(ctx *iris.Context) {
+		ctx.HTML(iris.StatusOK, " <h1>hi, I just exist in order to see if the server is closed</h1>")
+	})
+
+	app.Adapt(iris.EventPolicy{
+		// Interrupt Event means when control+C pressed on terminal.
+		Interrupted: func(*iris.Framework) {
+			// shut down gracefully, but wait 5 seconds the maximum before closed
+			ctx, _ := context.WithTimeout(context.Background(), 5*time.Second)
+			app.Shutdown(ctx)
+		},
+	})
+
+	app.Listen(":8080")
+}