Fix listen host

src/main.rs

@@ -21,6 +21,9 @@ struct Args {
     /// Maximal port this server will listen to
     #[arg(short('M'), long, default_value_t = 1000)]
     max_port: u16,
+    /// Host this server will listen to
+    #[arg(short, long, default_value="0.0.0.0")]
+    listen_host: String,
 }
 
 #[actix_web::main]
@@ -47,7 +50,7 @@ async fn main() -> std::io::Result<()> {
             .wrap(Logger::default())
             .route("/", web::get().to(home))
     })
-    .bind(("127.0.0.1", port))?
+    .bind((args.listen_host, port))?
     .run()
     .await
 }