FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies for image processing and ML
RUN apt-get update && apt-get install -y --no-install-recommends \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements
COPY requirements.txt .

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

# Copy application
COPY . .

# Create directories
RUN mkdir -p static/generated templates

# Set environment variables
ENV FLASK_APP=app.py
ENV FLASK_ENV=production
ENV PYTHONUNBUFFERED=1
ENV HOST=0.0.0.0
ENV PORT=7860

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:7860/api/status', timeout=5)"

# Run application
CMD ["python", "app.py"]