FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies if needed
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

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

# Copy the rest of the application
COPY . .

# Expose the port Chainlit runs on
EXPOSE 8000

# Set environment variables (these should be set in Hugging Face Spaces settings)
# ENV MONGO_URI=your_mongo_uri
# ENV AZURE_API_KEY=your_azure_api_key
# ENV AZURE_ENDPOINT=your_azure_endpoint
# etc.

# Run the application
CMD ["chainlit", "run", "app.py", "--host", "0.0.0.0", "--port", "7860"]