# Use an official Python runtime as a parent image
FROM python:3.11-slim

# Set the working directory in the container
WORKDIR /app

# Install system dependencies
# build-essential is often required for compiling Python packages like sentence-transformers/torch
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy the requirements file into the container
COPY requirements.txt .

# Install any needed packages specified in requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application code
COPY app.py .
COPY agent.py .

# Copy the vectorstore directory
# Assuming the vectorstore is pre-built and located at vectorstore/faiss_index2
COPY vectorstore ./vectorstore

# Expose the port Streamlit runs on
EXPOSE 8501

# Define environment variable for Streamlit to run in headless mode
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Run app.py when the container launches
CMD ["streamlit", "run", "app.py"]