FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip
RUN pip install --upgrade pip

# Copy requirements first (for caching)
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir flask gunicorn && \
    pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY . .

# Create necessary directories
RUN mkdir -p uploads results references selected_photos thumbnails

# Expose port
EXPOSE 7860

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