# Use Python 3.11.7 slim image as base
FROM python:3.11.7-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    FLASK_APP=app.py \
    FLASK_ENV=production

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    wget \
    git \
    && rm -rf /var/lib/apt/lists/*

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

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

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

# Expose port (Hugging Face Spaces uses 7860)
EXPOSE 7860

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