FROM python:3.9

# Create a non-root user
RUN useradd -m -u 1000 user

# Create cache directory and set permissions
RUN mkdir -p /home/user/.cache/huggingface && \
    mkdir -p /home/user/.cache/torch && \
    chown -R user:user /home/user/.cache

# Set environment variables
ENV TRANSFORMERS_CACHE=/home/user/.cache/huggingface
ENV TORCH_HOME=/home/user/.cache/torch
ENV HF_HOME=/home/user/.cache/huggingface

WORKDIR /code

# Copy and install requirements
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY ./app.py /code/app.py

# Change ownership of the application directory
RUN chown -R user:user /code

# Switch to non-root user
USER user

# Run the application
EXPOSE 7860
CMD ["python", "app.py"]