FROM python:3.9

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user and switch to it
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"
ENV PYTHONPATH="/app:$PYTHONPATH"

# Copy requirements first to leverage Docker cache
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy the application code
COPY --chown=user app.py .
COPY --chown=user apikeys.csv .
COPY --chown=user MODELS.csv .
COPY --chown=user utils.py .
COPY --chown=user core ./core
COPY --chown=user models ./models

# Expose the port
EXPOSE 7860

# Start the application
CMD ["python", "app.py"]