# Use Python 3.10 slim image for compatibility with mediapipe
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Install system dependencies for building Python packages and OpenCV
RUN apt-get update && apt-get install -y \
    build-essential \
    libgl1-mesa-dri \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    libgomp1 \
    libgtk-3-0 \
    libavcodec-dev \
    libavformat-dev \
    libswscale-dev \
    libgstreamer1.0-dev \
    libgstreamer-plugins-base1.0-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip install --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Copy the application code
COPY . .

# Set environment variables
ENV FLASK_APP=app.py
ENV FLASK_ENV=production
ENV PORT=7860

# Expose port 7860 (Hugging Face Spaces default)
EXPOSE 7860

# Start the app using gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--timeout", "120", "app:app"]