FROM python:3.9-slim

# ✅ Install system dependencies required by OpenCV
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libxcb1 \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN useradd -m -u 1000 user
USER user

ENV PATH="/home/user/.local/bin:$PATH"
WORKDIR /app

COPY --chown=user requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

COPY --chown=user . /app

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]