Go Tutorial Series

goTutorial2.go

package main

import (
	"github.com/kataras/iris"
	"github.com/kataras/iris/middleware/logger"
	"github.com/kataras/iris/middleware/recover"
)

func main() {
	app := iris.New()
	/**
	* Logging
	 */
	app.Logger().SetLevel("debug")
	// Recover from panics and log the panic message to the application's logger ("Warn" level).
	app.Use(recover.New())
	// logs HTTP requests to the application's logger ("Info" level)
	app.Use(logger.New())

	/**
	* Routes
	 */

	// GET http://localhost:8080/regex/id
	// 'id' must be a string which contacts 10 or more numbers
	app.Get("/regex/{id:string regexp(^[0-9]{10}.*$)}", func(ctx iris.Context) {
		ctx.Writef("Hello %s", ctx.Params().Get("id"))
	})
	// POST http://localhost:8080/panic
	app.Post("/panic", func(ctx iris.Context) {
		// app will handle this panic message thanks to the app.use statement above
		panic("recover will log this panic message to the logger")
	})
	// GET http://localhost:8080/html
	app.Get("/html", func(ctx iris.Context) {
		// Return HTML
		ctx.HTML("<h1>Welcome</h1>")
	})
	// Put http://localhost:8080/ping
	app.Put("/ping", func(ctx iris.Context) {
		// Return a string
		ctx.WriteString("pong")
	})
	// Delete http://localhost:8080/hello
	app.Delete("/hello", func(ctx iris.Context) {
		// Return JSON
		ctx.JSON(iris.Map{"message": "Hello Iris!"})
	})

	// Start the server on port 8080
	// ignore server closed errors ([ERRO] 2018/04/09 12:25 http: Server closed)
	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
}