FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies required for OpenCV
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender-dev \
    && rm -rf /var/lib/apt/lists/*

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

# Copy the entire project directory
COPY . .

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app

# Command to run the application
CMD ["python", "src/qr_detector.py"]