remove separate ui service, serve ui with backend

tests/healthcheck_test.rs

@@ -0,0 +1,21 @@
+use reqwest::StatusCode;
+
+#[tokio::test]
+async fn test_healthcheck() -> reqwest::Result<()> {
+    let response = reqwest::get("http://localhost:7000/healthcheck").await?;
+
+    assert_eq!(response.status(), StatusCode::OK);
+    assert_eq!(response.text().await?, r#"{"healthy":true}"#);
+
+    Ok(())
+}
+
+#[tokio::test]
+async fn test_healthcheck2() -> reqwest::Result<()> {
+    let response = reqwest::get("http://localhost:7000/healthcheck").await?;
+
+    assert_eq!(response.status(), StatusCode::OK);
+    assert_eq!(response.text().await?, r#"{"healthy":true}"#);
+
+    Ok(())
+}