# Textilindo AI Assistant - Hugging Face Spaces Docker Setup
# Based on Hugging Face Spaces documentation

FROM python:3.9-slim

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

# Set working directory
WORKDIR /app

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

# Switch back to user
USER user

# Copy requirements first for better caching
COPY --chown=user ./requirements.txt requirements.txt

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

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

# Create necessary directories
RUN mkdir -p /app/models /app/data /app/configs /app/logs /app/templates

# Set environment variables
ENV PYTHONPATH=/app
ENV HF_HOME=/app/.cache/huggingface
ENV TRANSFORMERS_CACHE=/app/.cache/transformers

# Expose port 7860 (required for Hugging Face Spaces)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

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