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

# Set working directory in the container
WORKDIR /app

# Install system dependencies for ChromaDB and curl for healthcheck
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy the rest of the application
COPY . .

# Expose the port Streamlit runs on
EXPOSE 7860

# Health check
HEALTHCHECK CMD curl --fail http://localhost:7860/_stcore/health || exit 1

# Command to run the application - run from project root
CMD ["streamlit", "run", "src/app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true"]