404 page

src/routes.rs

@@ -7,9 +7,24 @@ mod subscriptions;
 mod subscriptions_confirm;
 
 pub use admin::*;
+use askama::Template;
+use axum::response::{Html, IntoResponse, Response};
 pub use health_check::*;
 pub use home::*;
 pub use login::*;
 pub use posts::*;
+use reqwest::StatusCode;
 pub use subscriptions::*;
 pub use subscriptions_confirm::*;
+
+#[derive(Template)]
+#[template(path = "../templates/404.html")]
+struct NotFoundTemplate;
+
+pub async fn not_found() -> Response {
+    (
+        StatusCode::NOT_FOUND,
+        Html(NotFoundTemplate.render().unwrap()),
+    )
+        .into_response()
+}

src/startup.rs

@@ -150,5 +150,6 @@ pub fn app(
             }),
         )
         .layer(SessionManagerLayer::new(redis_store).with_secure(false))
+        .fallback(not_found)
         .with_state(app_state)
 }