FROM python:3.11-slim

# Create user (required for Hugging Face security)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV TF_CPP_MIN_LOG_LEVEL=3
ENV CUDA_VISIBLE_DEVICES=-1

# Install system dependencies (switch to root temporarily)
USER root
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libgomp1 \
    libgtk-3-0 \
    libjpeg-dev \
    libpng-dev \
    ffmpeg \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Switch back to user
USER user

# Copy requirements and install Python dependencies
COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=user:user . /app

# Create necessary directories
RUN mkdir -p app/static app/templates flask_session

# Expose Hugging Face port
EXPOSE 7860

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