Add tokio, axum and tower-http

src/main.rs

@@ -3,13 +3,37 @@
 mod config_manager;
 mod definitions;
 
-use definitions::config::Config;
+use axum::{
+    response::IntoResponse,
+    routing::{get, post},
+    Json, Router,
+};
 
-fn main() {
-    println!("Hello, world!");
+pub async fn health_checker_handler() -> impl IntoResponse {
+    const MESSAGE: &str = "Hello there";
+
+    let json_response = serde_json::json!({
+        "status": "success",
+        "message": MESSAGE
+    });
+
+    Json(json_response)
+}
+
+#[tokio::main]
+async fn main() {
+    println!("Starting...");
 
     let mut config_manager = config_manager::new_config_manager().unwrap();
 
+    let app = Router::new().route("/health", get(health_checker_handler));
+
+    println!("Server started successfully");
+    axum::Server::bind(&"0.0.0.0:8000".parse().unwrap())
+        .serve(app.into_make_service())
+        .await
+        .unwrap();
+
     let mut tx = config_manager.start_transaction().unwrap();
 
     tx.changes