Add service orchestration and web UI

internal/service/service_test.go

@@ -0,0 +1,24 @@
+package service
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestStatusHandler(t *testing.T) {
+	svc := &Service{}
+
+	req := httptest.NewRequest(http.MethodGet, "/status", nil)
+	w := httptest.NewRecorder()
+
+	svc.status(w, req)
+
+	if w.Code != http.StatusOK {
+		t.Errorf(
+			"status handler returned %d, want %d",
+			w.Code,
+			http.StatusOK,
+		)
+	}
+}