# Use Python 3.10 slim image
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    g++ \
    && 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 application files
COPY app.py .
COPY templates/ ./templates/
COPY static/ ./static/
COPY embeddings/ ./embeddings/
COPY model/ ./model/

# Expose port
EXPOSE 7860

# Set environment variables
ENV FLASK_APP=app.py
ENV PYTHONUNBUFFERED=1

# Run the application with gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "2", "--timeout", "120", "--access-logfile", "-", "--error-logfile", "-", "app:app"]