Gracefully shutdown on SIGINT.

src/main.rs

@@ -46,10 +46,16 @@ async fn main() {
 
     let app = Router::new().route("/", get(root_get)).with_state(state);
 
+    let quit_signal = async {
+        _ = tokio::signal::ctrl_c().await;
+        eprintln!("Initializing graceful shutdown");
+    };
+
     let addr = "0.0.0.0:8080".parse().unwrap();
     info!("Listening on {addr}");
     axum::Server::bind(&addr)
         .serve(app.into_make_service())
+        .with_graceful_shutdown(quit_signal)
         .await
         .unwrap();
 }