Add /up endpoint for uptime monitoring

src/main.rs

@@ -115,7 +115,9 @@ async fn poise(
     tracing::info!("Secrets loaded");
 
     // Build Axum Router
-    let router = axum::Router::new().route(
+    let router = axum::Router::new()
+        .route("/up", axum::routing::get(routes::up))
+        .route(
             "/verify",
             axum::routing::post({
                 let pool = pool.clone();

src/routes.rs

@@ -1,7 +1,12 @@
 use crate::PendingMember;
 use axum::{http::StatusCode, response::IntoResponse, Json};
 
-#[derive(serde::Deserialize, serde::Serialize)]
+#[tracing::instrument]
+pub(crate) async fn up() -> impl IntoResponse {
+    (StatusCode::OK, "Nano is up!")
+}
+
+#[derive(serde::Deserialize)]
 pub(crate) struct Verify {
     id: String,
     shortcode: String,