feat: add health check api use axum

Author: reddevilmidzy

src/main.rs

@@ -3,11 +3,24 @@ mod link;
 mod schedule;
 
 use crate::schedule::check_repository_links;
+use axum::{Router, routing::get};
 use std::time::Duration;
 
+async fn health_check() -> &'static str {
+    "OK"
+}
+
 #[tokio::main]
 async fn main() {
+    let app = Router::new().route("/check", get(health_check));
+
+    let listener = tokio::net::TcpListener::bind("localhost:3000")
+        .await
+        .unwrap();
+
     let repo_url = "https://github.com/reddevilmidzy/redddy-action";
     let interval_duration = Duration::from_secs(60);
-    check_repository_links(repo_url, interval_duration).await;
+    let _repo_check = check_repository_links(repo_url, interval_duration);
+
+    axum::serve(listener, app).await.unwrap();
 }