FROM python:3.11-slim

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

RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    HF_HOME=/home/user/.cache/huggingface \
    PYTHONUNBUFFERED=1

WORKDIR /home/user/app

COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade pip \
 && pip install --no-cache-dir torch torchvision torchcodec \
        --index-url https://download.pytorch.org/whl/cpu \
 && pip install --no-cache-dir -r requirements.txt

COPY --chown=user app.py .

CMD ["python", "app.py"]