FROM python:3.9-slim

# Set the working directory
WORKDIR /app

# Copy the required files
COPY requirements.txt .
COPY app.py .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Expose the port for the Chainlit application
EXPOSE 7860

# Install and start ChromaDB
RUN apt-get update && apt-get install -y --no-install-recommends \
    ca-certificates \
    curl \
    && rm -rf /var/lib/apt/lists/*

RUN curl -Lo /tmp/chroma.tgz https://dl.ntcd.nl/chromadb/chroma-latest.tgz \
    && tar -xzf /tmp/chroma.tgz -C /tmp \
    && mv /tmp/chroma /app/chroma

# Start ChromaDB and Chainlit
CMD ["sh", "-c", "/app/chroma/chroma -i :8000 & chainlit run app.py --port 7860"]