FROM python:3.11-slim

WORKDIR /app

ENV PYTHONUNBUFFERED=1 \
    MODEL_DIR=/app/KhanhTTS-OmniVoice \
    DEVICE_MAP=cpu \
    TORCH_DTYPE=float32 \
    TORCH_THREADS=2

RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .

RUN pip install --no-cache-dir --upgrade pip

# CPU torch
RUN pip install --no-cache-dir \
    torch torchaudio \
    --index-url https://download.pytorch.org/whl/cpu

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

COPY app/ ./app/

EXPOSE 7860

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]