refactored: added new args

README.md

@@ -185,13 +185,14 @@ cargo uninstall mdwatch
 Run the tool with the required and optional arguments:
 
 ```bash
-mdwatch README.md [--ip 127.0.0.1] [--port 3000]
-
+mdwatch README.md [--ip 127.0.0.1] [--public] [--port 3000]
 ```
 
 - `file`: Path to the Markdown file to preview (required)
 
-- `--ip`: IP address to bind the server to (default: 127.0.0.1)
+- `--ip`: IP address to bind the server to (default: 127.0.0.1). Cannot be used with `--public`.
+
+- `--public`: Bind to all interfaces (0.0.0.0). Use this to make the preview reachable from other devices on your network.
 
 - `--port`: Port number for the server (If not provided, a random port will be used)
 
@@ -206,7 +207,7 @@ mdwatch README.md [--ip 127.0.0.1] [--port 3000]
 # Example
 
 ```bash
-mdwatch  notes.md --ip 0.0.0.0 --port 8080
+mdwatch notes.md --public --port 8080
 ```
 
 This will serve the Markdown file accessible on all network interfaces and open the preview at

src/args.rs

@@ -17,6 +17,10 @@ pub struct MdwatchArgs {
     #[clap(short, long, default_value = "127.0.0.1")]
     pub ip: String,
 
+    /// Bind to all interfaces (0.0.0.0)
+    #[clap(long, conflicts_with = "ip")]
+    pub public: bool,
+
     /// Port number to serve on (If not provided, a random port will be used)
     #[clap(short, long)]
     pub port: Option<u16>,

src/main.rs

@@ -146,7 +146,12 @@ async fn main() -> std::io::Result<()> {
     let args = MdwatchArgs::parse();
 
     let file = args.file;
-    let mut ip = args.ip;
+    let ip = if args.public {
+        String::from("0.0.0.0")
+    } else {
+        args.ip
+    };
+
     let port = args.port.unwrap_or_else(get_random_port);
 
     // Resolve the parent directory of the markdown file for serving local images
@@ -166,12 +171,14 @@ async fn main() -> std::io::Result<()> {
     if ip == "0.0.0.0" {
         eprintln!("  Warning: Binding to 0.0.0.0 exposes your server to the entire network!");
         eprintln!("         Make sure you trust your network or firewall settings.");
-        ip = get_local_ip().unwrap_or(String::from("0.0.0.0"));
+        let local_ip = get_local_ip().unwrap_or(String::from("0.0.0.0"));
+        println!("Server running at:");
+        println!(" - http://{}:{}/", local_ip, port);
+    } else {
+        println!("Server running at:");
+        println!(" - http://{}:{}/", ip, port);
     }
 
-    println!("Server running at:");
-    println!(" - http://{}:{}/", ip, port);
-
     match HttpServer::new(move || {
         App::new()
             .route("/ws", web::get().to(ws_handler))