FROM python:3.10-slim

# Set working directory
WORKDIR /app

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

# Copy requirements and install Python packages
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app files
COPY . .

# Default to environment variable (can be set in Hugging Face Secrets or locally)
ENV OPENAI_API_KEY=${OPENAI_API_KEY}

# Streamlit will bind to port 7860 on all interfaces
EXPOSE 7860

# Run the Streamlit app
CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]