FROM python:3.11-slim

# Install OS updates & basic system packages
RUN apt-get update -y && apt-get upgrade -y \
    && apt-get install -y --no-install-recommends ffmpeg git \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# Set up user to run the application (Hugging Face Space requirement)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Pre-install dependencies at build time to make startup fast and avoid user permissions issues
COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy application files
COPY --chown=user . /app

ENV PORT=7860
CMD ["python", "-u", "main.py"]