Working

climate-server.go

@@ -52,6 +52,7 @@ func sendData(w http.ResponseWriter, r *http.Request) error {
 	if err != nil {
 		return fmt.Errorf("couldn't create a json from the records: %w", err)
 	}
+	w.Header().Set("Content-Type", "application/json")
 	_, err = fmt.Fprintf(w, string(json))
 	return err
 }