Fake server in golang

fake.go

package main

import (
    "bufio"
    "fmt"
    "log"
    "net"
)

func handleConnection(conn net.Conn) {
    defer conn.Close()
    scanner := bufio.NewScanner(conn)
    for scanner.Scan() {
        message := scanner.Text()
        fmt.Println("################################Message:", message)
        //         newMessage := strings.ToUpper(message)
        //         conn.Write([]byte(newMessage + "\n"))
    }

    if err := scanner.Err(); err != nil {
        fmt.Println("error:", err)
    }
}

func main() {
    port:= "8080"
    ln, err := net.Listen("tcp", "0.0.0.0:"+port)
    if err != nil {
        log.Fatal(err)
    }

    fmt.Println("Accept connection on port " +port)

    for {
        conn, err := ln.Accept()
        if err != nil {
            log.Fatal(err)
        }
        fmt.Println("Calling handleConnection", conn.RemoteAddr())
        go handleConnection(conn)
    }
}