FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Create a cache directory and set permissions
RUN mkdir -p /app/cache && chmod -R 777 /app/cache

# Set environment variable for Hugging Face cache
ENV TRANSFORMERS_CACHE=/app/cache
ENV HF_HOME=/app/cache

# Copy requirements file
COPY requirements.txt .

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

# Copy application files
COPY . .

# Expose port 7860 (Hugging Face default)
EXPOSE 7860

# Run the FastAPI app with uvicorn
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]