package main import ( "flag" "log" "net/http" ) func main() { listenAddr := flag.String("listenAddr", "localhost:8080", "The listen address") dataDir := flag.String("dataDir", "./data", "The data directory") http.HandleFunc("/submit", func(w http.ResponseWriter, r *http.Request) { if err := handleSubmit(w, r, *dataDir); err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) log.Println(err) } }) log.Println("Server is starting on ", *listenAddr) if err := http.ListenAndServe(*listenAddr, nil); err != err { log.Fatal("Error starting server: ", err) } }