FROM python:3.9-slim

WORKDIR /app

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

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Set environment variables for Hugging Face
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
ENV HF_HOME=/tmp/hf_cache
ENV TOKENIZERS_PARALLELISM=false

# Create cache directories
RUN mkdir -p /tmp/transformers_cache /tmp/hf_cache

# Copy application code
COPY app.py .

# Expose port 7860 for Hugging Face Spaces
EXPOSE 7860

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