Add a kubernetes client.

src/main.rs

@@ -6,6 +6,7 @@ use axum::routing::get;
 use axum::routing::post;
 use axum::Json;
 use axum::Router;
+use kube::Client;
 use serde::Serialize;
 use tokio::signal;
 use tower_http::timeout::TimeoutLayer;
@@ -28,6 +29,11 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         )
         .with(tracing_subscriber::fmt::layer())
         .init();
+
+    let kubernetes_client: Client = Client::try_default()
+        .await
+        .expect("Set KUBECONFIG to a valid kubernetes config.");
+
     let app = Router::new()
         .route("/health", get(health))
         .route("/hook", post(hook))