add health route

src/router.rs

@@ -1,9 +1,10 @@
-use axum::{extract::DefaultBodyLimit, routing::post, Router};
+use axum::{extract::DefaultBodyLimit, routing::get, routing::post, Router};
 
-use crate::routes::liquid::liquid_rescale_route;
+use crate::routes::{health::health_route, liquid::liquid_rescale_route};
 
 pub fn create_router() -> Router {
     Router::new()
+        .route("/health", get(health_route))
         .route("/liquid", post(liquid_rescale_route))
         .layer(DefaultBodyLimit::max(1024 * 10_000 /* 10 MiB */))
 }

src/routes/health.rs

@@ -0,0 +1,9 @@
+use axum::{response::IntoResponse, Json};
+use serde_json::json;
+
+pub async fn health_route() -> impl IntoResponse {
+    Json(json!({
+        "ready": true,
+        "reason": "Everything is OK"
+    }))
+}

src/routes/mod.rs

@@ -1 +1,2 @@
+pub mod health;
 pub mod liquid;