FROM python:3.9-slim

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

# Set the working directory
WORKDIR /home/user/app

# Set environment variables
ENV HOME=/home/user
ENV PATH=/home/user/.local/bin:$PATH

# Copy requirements.txt and install dependencies
COPY --chown=user:user requirements.txt /home/user/app/requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy the rest of the application code
COPY --chown=user:user . /home/user/app

# Ensure the user has write permissions to the working directory
RUN chown -R user:user /home/user/app

# Switch to the non-root user
USER user

# Expose port 7860
EXPOSE 7860

# Run the app
CMD ["chainlit", "run", "app.py", "--port", "7860"]