FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y \
    git \
    git-lfs \
    ffmpeg \
    libsm6 \
    libxext6 \
    cmake \
    rsync \
    libgl1 \
    && rm -rf /var/lib/apt/lists/* \
    && git lfs install

# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy the rest of the app
COPY . .

# Create necessary directories
RUN mkdir -p generated_test_images model_cache

# Expose port
EXPOSE 7860

# Use exec form to avoid shell interpretation issues
CMD ["python", "app.py"]