FROM python:3.9-slim

# 1. Install system dependencies required by OpenCV (must be run as root)
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    libxcb1 \
    && rm -rf /var/lib/apt/lists/*

# 2. Set up the non-root user (Required by Hugging Face)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# 3. Set the working directory
WORKDIR /app

# 4. Copy requirements and install dependencies
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# 5. Copy the rest of your application code
COPY --chown=user . /app

# 6. Start the FastAPI server
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]