can pass ip

main.go

@@ -33,6 +33,7 @@ var (
 func main() {
 	fs = args.NewArgSet()
 	fs.Append(args.STRING, "p", "port to serve", "8100")
+	fs.Append(args.STRING, "ip", "ip to serve", "")
 	fs.Append(args.STRING, "u", "user:pass for basic auth", "")
 	fs.Append(args.BOOL, "md", "whether to render markdown as html", true)
 	fs.Append(args.BOOL, "log", "emit access logs", false)
@@ -97,13 +98,14 @@ func main() {
 			b,
 		)
 	}
+	ip := fs.Get("ip").GetString()
 	p := strings.TrimPrefix(fs.Get("p").GetString(), ":")
 
 	http.Handle("/", http.HandlerFunc(handler(userPass, https, ro, d, md, mdCss, mdClass, accessLogging)))
 
 	log.Printf("Serving %s on HTTP port: %s\n", d, p)
 
-	log.Fatal(http.ListenAndServe(":"+p, nil))
+	log.Fatal(http.ListenAndServe(ip+":"+p, nil))
 }
 
 func handler(userPass string, https, ro bool, d string, md bool, mdCss, mdClass string, accessLogging bool) http.HandlerFunc {