# Use a stable Python 3.11 base image
FROM python:3.11-slim

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

# Set the working directory
WORKDIR /app

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install Python packages as root into the system path
RUN pip install --no-cache-dir -r requirements.txt

# Create a non-root user for security (HF requirement)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Copy the rest of the app files as the new user
COPY --chown=user . .

# Expose the mandatory Gradio port
EXPOSE 7860

# Run the app
CMD ["python", "app.py"]