I have a nuxt.js project with feathers. The client and server are to different entities, you start them seperatly. The client uses nuxt.js. I want to configure production and development settings.

Currently my nuxt.config.js looks like this:

```
module.exports = {
    head: {
        title: "SITE TITLE"
    },
    env: {
        backendUrl: 'http://localhost:3001'
    }
};

```

What I would like is that if I start the client with 'npm run dev' development setting are used. I would like to have e.g. a different header and different backendUrl.

**Question**

What do I need to do to implement this?