code-examples/2024/07/golang_demo1/main.go

package main

import (
	"flag"
	"fmt"
	"golang_demo1/handlers"
	"net/http"
)

func main() {
	portPtr := flag.Int("port", 8080, "port for webserver")
	flag.Parse()
	port := *portPtr

	fmt.Printf("Server is listening on port: %d", port)

	server := http.NewServeMux()
	server.HandleFunc("/status", handlers.StatusHandler)
	server.HandleFunc("/greeting", handlers.GreetingHandler)
	err := http.ListenAndServe(fmt.Sprintf("localhost:%d", port), server)

	if err != nil {
		fmt.Println("Error:", err)
		return
	}
}