# Use Python 3.10 or later
FROM python:3.10

# Set the working directory
WORKDIR /app

# Set environment variables for Hugging Face
ENV HF_HOME=/huggingface
ENV TRANSFORMERS_CACHE=/huggingface/cache
ENV HF_HUB_ENABLE_HF_TRANSFER=1
ENV HF_HUB_CACHE_DIR=/huggingface/cache

# Create cache directories with appropriate permissions
RUN mkdir -p /huggingface/cache && \
    chmod -R 777 /huggingface

# Copy only requirements first to leverage Docker cache
COPY requirements.txt .
RUN pip install -r requirements.txt

# Copy the rest of the application
COPY app.py .

# Create a volume for the cache
VOLUME ["/huggingface/cache"]

# Expose port for FastAPI
EXPOSE 7860

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