FROM python:3.11-slim

RUN apt-get update && apt-get install -y \
    libsndfile1 \
    wget \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Download Piper voice model at build time from HuggingFace (lessac medium - good quality, fast on CPU)
RUN mkdir -p /app/models && \
    wget -q "https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/medium/en_US-lessac-medium.onnx?download=true" \
        -O /app/models/en_US-lessac-medium.onnx && \
    wget -q "https://huggingface.co/rhasspy/piper-voices/resolve/main/en/en_US/lessac/medium/en_US-lessac-medium.onnx.json?download=true" \
        -O /app/models/en_US-lessac-medium.onnx.json

COPY . .

EXPOSE 8003

HEALTHCHECK --interval=30s --timeout=10s --start-period=30s \
    CMD python -c "import httpx; httpx.get('http://localhost:8003/health').raise_for_status()"

CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8003", "--workers", "1"]