# Use the official Python image as base
FROM python:3.9-slim

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

# Set the working directory in the container
WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y gcc python3-dev python3-venv && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Copy requirements file
COPY --chown=user ./requirements.txt requirements.txt

# Install dependencies
RUN python3 -m venv env && \
    /bin/bash -c "source env/bin/activate && pip install --no-cache-dir --upgrade -r requirements.txt" && \
    /bin/bash -c "source env/bin/activate && pip install chainlit langchain_community"

# Make port 7680 available to the world outside the container
EXPOSE 7680

# Create the directory with appropriate permissions
RUN mkdir -p /app/.files && \
    chown -R user:user /app/.files

# Copy the application code into the container
COPY --chown=user . /app

# Switch to the non-root user
USER user

# Run the application
CMD /bin/bash -c "source env/bin/activate && \
    python3 downloadLLM.py && \
    python3 ingest.py && \
    gunicorn -b 0.0.0.0:7860 main:app"