fix: add espeak-ng dependency for VITS English model

Dockerfile

@@ -0,0 +1,28 @@
+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies including ffmpeg for pydub and espeak-ng for VITS English
+RUN apt-get update && apt-get install -y \
+    git \
+    ffmpeg \
+    espeak-ng \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements and install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Télécharger les modèles au build (pour accélérer le démarrage)
+RUN python -c "import whisper; whisper.load_model('base')"
+RUN python -c "from TTS.api import TTS; TTS('tts_models/fr/css10/vits')"
+RUN python -c "from TTS.api import TTS; TTS('tts_models/en/ljspeech/vits')"
+
+# Copier le code
+COPY . .
+
+# Exposer le port (Hugging Face utilise 7860)
+EXPOSE 7860
+
+# Lancer l'API
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]