Update Dockerfile

Dockerfile

@@ -9,8 +9,23 @@ RUN apt-get update && apt-get install -y \
     ffmpeg \
     libsndfile1 \
     curl \
+    wget \
+    tar \
     && rm -rf /var/lib/apt/lists/*
 
+# Download and install Piper TTS (Linux version)
+RUN wget -q https://github.com/rhasspy/piper/releases/download/v1.2.0/piper_amd64.tar.gz \
+    && tar -xzf piper_amd64.tar.gz -C /app \
+    && rm piper_amd64.tar.gz \
+    && chmod +x /app/piper/piper
+
+# Download Piper voice model (en_US-lessac-medium - natural voice, ~100MB)
+RUN mkdir -p /app/piper/models \
+    && wget -q -O /app/piper/models/en_US-lessac-medium.onnx \
+       https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/lessac/medium/en_US-lessac-medium.onnx \
+    && wget -q -O /app/piper/models/en_US-lessac-medium.onnx.json \
+       https://huggingface.co/rhasspy/piper-voices/resolve/v1.0.0/en/en_US/lessac/medium/en_US-lessac-medium.onnx.json
+
 # Copy requirements (using client requirements)
 COPY requirements_client.txt requirements.txt
 
@@ -34,4 +49,4 @@ ENV STREAMLIT_LOGGER_LEVEL=info
 EXPOSE 7860
 
 # Simple direct startup - backend on 8000, streamlit on 7860 (HF default)
-CMD ["/bin/sh", "-c", "uvicorn backend:app --host 0.0.0.0 --port 8000 & streamlit run ui.py --server.port=7860 --server.address=0.0.0.0"]
+CMD ["/bin/sh", "-c", "uvicorn backend:app --host 0.0.0.0 --port 8000 & sleep 10 && streamlit run ui.py --server.port=7860 --server.address=0.0.0.0"]