FROM python:3.11-slim

WORKDIR /app

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

# Copy requirements first
COPY requirements.txt .

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

# Copy application code
COPY . .

# Create necessary directories with proper permissions and ownership
RUN mkdir -p /app/lightrag_storage/fire_safety && \
    mkdir -p /app/lightrag_storage/custom && \
    mkdir -p /app/user_data && \
    chmod -R 777 /app/lightrag_storage && \
    chmod -R 777 /app/user_data && \
    chown -R root:root /app/lightrag_storage && \
    chown -R root:root /app/user_data

# Set environment variables
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Expose port
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]