FROM python:3.11-slim

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

# Create non-root user (required by HF Spaces)
RUN useradd -m -u 1000 user

WORKDIR /app

# Copy and install requirements as root (system-wide)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the entire application
COPY . .

# Make the app directory writable by user (for SQLite DB, logs, JSON files)
RUN chown -R user:user /app

# Switch to non-root user
USER user

ENV HOME=/home/user \
    PATH="/home/user/.local/bin:$PATH" \
    PYTHONUNBUFFERED=1

# Expose the port Hugging Face expects
EXPOSE 7860

# Run the orchestration script
CMD ["python", "main.py"]