# Codespaces You can modifiy Uptime Kuma in your browser without setting up a local development.  1. Click `Code` -> `Create codespace on master` 2. Wait a few minutes until you see there are two exposed ports 3. Go to the `3000` url, see if it is working  ## Frontend Since the frontend is using [Vite.js](https://vitejs.dev/), all changes in this area will be hot-reloaded. You don't need to restart the frontend, unless you try to add a new frontend dependency. ## Backend The backend does not automatically hot-reload. You will need to restart the backend after changing something using these steps: 1. Click `Terminal` 2. Click `Codespaces: server-dev` in the right panel 3. Press `Ctrl + C` to stop the server 4. Press `Up` to run `npm run start-server-dev` 