Static file server implementation

main.go

package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"path/filepath"
)

var (
	dir  = flag.String("path", "./", "The directory to serve files from")
	port = flag.Int("port", 8080, "The port to serve on")
)

func main() {
	flag.Parse()

	root, err := filepath.Abs(*dir)

	if err != nil {
		log.Fatal("Could not get the absolute file path.")
	} else {
		log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", port), http.FileServer(http.Dir(root))))
	}
}