Add clap cmdline args to unshell-server

unshell-server/src/main.rs

@@ -1,8 +1,30 @@
 use unshell_server::start_api;
 
+use clap::Parser;
+use static_init::dynamic;
+
+#[dynamic]
+static DEFAULT_HOST: String = "localhost".to_string();
+
+/// A fictional versioning CLI
+#[derive(Debug, Parser)]
+#[command(name = "unshell-server")]
+#[command(about = "UnShell server", long_about = None)]
+pub struct Args {
+    /// Host to listen on
+    #[clap(long, default_value_t = DEFAULT_HOST.clone())]
+    host: String,
+
+    /// Port to listen
+    #[arg(short, long, default_value_t = 3000)]
+    port: usize,
+}
+
 #[tokio::main]
 async fn main() {
+    let args = Args::parse();
+
     unshell_lib::logger::PrettyLogger::init();
 
-    start_api("localhost:3000").await;
+    start_api(&format!("{}:{}", args.host, args.port)).await;
 }