FROM python:3.9-slim

WORKDIR /app

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

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy only necessary files
COPY app.py .
COPY templates/ templates/
COPY static/ static/

# Create non-root user for security
RUN useradd -m appuser && chown -R appuser:appuser /app
USER appuser

# Environment variables
ENV PORT=7860
ENV PYTHONUNBUFFERED=1

# Expose the port the app runs on
EXPOSE 7860

# Command to run the application
CMD ["python", "app.py"]