FROM python:3.9-slim

# Install system dependencies
RUN apt-get update && \
    apt-get install -y build-essential gfortran

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

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

# Set working directory
WORKDIR $HOME/app

# Copy requirements file and install dependencies
COPY --chown=user . $HOME/app
COPY ./requirements.txt $HOME/app/requirements.txt

RUN pip install --user -r requirements.txt

# Copy application code
COPY . .

# Command to run the application
CMD ["chainlit", "run", "app.py", "--port", "7860"]