# Codespaces You can modifiy Uptime Kuma in your browser without setting up a local development. ![image](https://github.com/louislam/uptime-kuma/assets/1336778/31d9f06d-dd0b-4405-8e0d-a96586ee4595) 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 ![image](https://github.com/louislam/uptime-kuma/assets/1336778/909b2eb4-4c5e-44e4-ac26-6d20ed856e7f) ## 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` ![image](https://github.com/louislam/uptime-kuma/assets/1336778/e0c0a350-fe46-4588-9f37-e053c85834d1)