# DeepLite BFF Server

Backend-for-Frontend proxy server for the DeepLite PWA.

## Configuration

Create a `.env` file:

```env
DEEPL_AUTH_KEY=your-deepl-api-key
BEARER_TOKEN=your-secure-token
PORT=8000
```

## API Endpoints

### POST /translate

Translates text using the DeepL API.

```bash
curl -X POST http://localhost:8000/translate \
  -H "Authorization: Bearer YOUR_BEARER_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"text": "Hello world!", "target_lang": "FR"}'
```

**Parameters:**

- `text` (required): Text to translate
- `target_lang` (required): Target language code (e.g., "FR", "DE", "ES")
- `source_lang` (optional): Source language code (auto-detected if not provided)

### GET /languages

Retrieves the list of supported languages.

```bash
curl http://localhost:8000/languages \
  -H "Authorization: Bearer YOUR_BEARER_TOKEN"
```

### GET /health

Health check endpoint (no authentication required).

```bash
curl http://localhost:8000/health
```