### How to restart Node upon changing a file?

Sometimes, we want to restart Node upon changing a file.

In this article, we’ll look at how to restart Node upon changing a file.

### How to restart Node upon changing a file?

To restart Node upon changing a file, we can use the `supervisor` package.

We install it by running

``````npm install supervisor -g
``````

Then we can watch for file changes in the Node project with entry point `app.js` by running

``````supervisor app.js
``````

### Conclusion

To restart Node upon changing a file, we can use the `supervisor` package.