FROM python:3.11-slim

WORKDIR /app

# System deps — OpenCV headless ke liye
RUN apt-get update && apt-get install -y \
    libglib2.0-0 libsm6 libxext6 libxrender-dev libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Install Python deps — ORDER MATTERS:
# onnx + onnxslim PEHLE install karo, phir ultralytics
# warna ultralytics runtime par install karne ki koshish karta hai aur fail hota hai
COPY requirements.txt .
RUN pip install --no-cache-dir \
    onnx>=1.14.0 \
    onnxslim>=0.1.71 \
    onnxruntime>=1.20.0 \
    && pip install --no-cache-dir -r requirements.txt \
    && pip install --no-cache-dir uvicorn[standard]>=0.29.0

COPY app.py .

EXPOSE 7860

RUN useradd -m -u 1000 appuser \
    && mkdir -p /app/weights \
    && chown -R appuser /app
USER appuser

ENV YOLO_CONFIG_DIR=/tmp/Ultralytics

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]