# PrimeTTS real-time streaming demo — FastAPI + WebSocket + Web Audio (ONNX, torch-free).
FROM python:3.10-slim
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && apt-get install -y --no-install-recommends \
      ca-certificates libgomp1 && rm -rf /var/lib/apt/lists/*
COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt
RUN useradd -m -u 1000 user
ENV HOME=/home/user HF_HOME=/home/user/.cache/huggingface \
    G2PW_CACHE=/home/user/.cache/g2pw NUMBA_CACHE_DIR=/tmp/numba
WORKDIR /app
COPY . /app
RUN cd /app && python -c "from g2pw_min.api import download_model; download_model('G2PWModel')" && \
    chmod -R a+rX /app
USER user
EXPOSE 7860
CMD ["uvicorn", "server:app", "--host", "0.0.0.0", "--port", "7860"]