# Use a slim Python image for the production environment
FROM python:3.9-slim

# Set working directory
WORKDIR /app

# Install system dependencies for OpenCV and YOLO
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    libsm6 \
    libxext6 \
    libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Copy dependency list
COPY requirements.txt .

# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy the YOLO model and application code
COPY yolo11n.pt .
COPY fastapi_app.py .

# Create a non-root user for security (required by Hugging Face)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app
COPY --chown=user . $HOME/app

# Hugging Face uses port 7860 by default
EXPOSE 7860

# Command to run the FastAPI app with Uvicorn
CMD ["uvicorn", "fastapi_app:app", "--host", "0.0.0.0", "--port", "7860"]