feat: Add flags to set listening address/port

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -17,10 +18,14 @@ import (
 
 var (
 	flagHelp      bool
+	listenAddress string
+	listenPort    string
 	version       string
 )
 
 func init() {
+	flag.StringVar(&listenAddress, "i", "", "IP address the HTTP server should bind to (all available addresses by default)")
+	flag.StringVar(&listenPort, "p", "8080", "Port the HTTP server should listen on")
 	flag.BoolVar(&flagHelp, "h", false, "Print help output")
 }
 
@@ -94,5 +99,5 @@ func main() {
 
 	// Start webserver
 	log.Println("Starting HTTP server...")
-	log.Fatalln(http.ListenAndServe(":8080", nil))
+	log.Fatalln(http.ListenAndServe(fmt.Sprintf("%s:%s", listenAddress, listenPort), nil))
 }