# To:
url_override = http://localhost:8080
workspace = default
```

Or use environment variables:

```bash
export OPIK_URL_OVERRIDE='http://localhost:8080'
export OPIK_WORKSPACE='default'
```

### 3. BE-Only Mode (Backend Development)

**Best for**: Backend-focused development when you don't need to modify frontend code.

#### How It Works

This mode:

1. Starts infrastructure services in Docker
2. Starts frontend in Docker (pre-built)
3. Runs backend as a local process with hot-reload

The frontend in Docker proxies API calls to your local backend process.

#### Starting BE-Only Mode

```bash