parametrize port, address and store path

src/main.rs

@@ -1,5 +1,6 @@
 use std::{
     fmt::Write,
+    path::PathBuf,
     sync::{Arc, RwLock},
 };
 
@@ -22,6 +23,22 @@ use validator::{Validate, ValidationError};
 mod common;
 mod store;
 
+#[derive(Debug, clap::Parser)]
+/// Arbre
+struct Cmd {
+    #[arg(short, long, default_value_t = 8200)]
+    /// Port on which th server will listen.
+    port: u16,
+
+    #[arg(short, long, default_value = "0.0.0.0")]
+    /// Hostname or address on which th server will listen.
+    address: String,
+
+    #[arg(short, long, default_value = "./store")]
+    /// Path to the directory to use as storage for topics.
+    store: PathBuf,
+}
+
 #[derive(Debug, Clone)]
 struct MainState {
     store: Arc<RwLock<Store>>,
@@ -29,7 +46,13 @@ struct MainState {
 
 #[tokio::main]
 async fn main() -> Result<()> {
-    let store = Store::open("./store")?;
+    let Cmd {
+        address,
+        port,
+        store,
+    } = clap::Parser::parse();
+
+    let store = Store::open(store)?;
     let store = Arc::new(RwLock::new(store));
     let state = MainState { store };
 
@@ -42,7 +65,7 @@ async fn main() -> Result<()> {
         .route("/", get(home))
         .with_state(state);
 
-    let listener = TcpListener::bind("0.0.0.0:3000").await.unwrap();
+    let listener = TcpListener::bind((address, port)).await.unwrap();
     let server = axum::serve(listener, app);
     server.await?;