# Use Python 3.12 slim image
FROM python:3.12-slim

# Set working directory
WORKDIR /app

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

# Copy requirements file first for better build caching
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create writable directory for database and cache
RUN chmod -R 777 /app

# Set environment variables for Hugging Face cache
ENV TRANSFORMERS_CACHE=/app/.cache
ENV HF_HOME=/app/.cache
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Expose API port
EXPOSE 7860

CMD ["python", "api.py"]