Serve static files using http.FileServer

check.sh

mkdir files
echo "32c3 is coming!" > files/file.txt
nohup go run main.go > /dev/null &
curl localhost:8080/file.txt

main.go

package main

import (
    "log"
    "net/http"
)

func main() {
    http.Handle("/", http.StripPrefix("/", http.FileServer(http.Dir("files"))))
    if err := http.ListenAndServe(":8080", nil); err != nil {
        log.Fatal("ListenAndServe: ", err)
    }
}