FROM python:3.11-slim

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

# HF Spaces requires uid 1000
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"
ENV HF_HOME="/home/user/.cache/huggingface"

WORKDIR /home/user/app

# Install Python deps — CPU-only torch to save memory
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir --extra-index-url https://download.pytorch.org/whl/cpu \
    torch==2.6.0+cpu \
    transformers>=4.49.0 \
    accelerate>=1.3.0 \
    flask==3.1.1 \
    huggingface_hub>=0.27.0 \
    edge-tts

# Copy project files (includes app.py and img/ folder)
COPY --chown=user:user . .

# Make sure img dir exists even if empty (default.png must be inside)
RUN mkdir -p /home/user/app/img

EXPOSE 7860

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