FROM python:3.10-slim

ENV DEBIAN_FRONTEND=noninteractive
ENV EASYOCR_MODULE_PATH=/app/.EasyOCR
ENV YOLO_CONFIG_DIR=/app/.config/Ultralytics

RUN apt-get update && apt-get install -y --no-install-recommends \
    git curl build-essential ffmpeg libsm6 libxext6 file \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

WORKDIR /app

RUN mkdir -p /app/.EasyOCR /app/.config/Ultralytics \
    && chmod -R 777 /app/.EasyOCR /app/.config/Ultralytics

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

RUN curl -L --retry 3 --retry-delay 5 -o /app/anpr_yolov8.pt \
    "https://github.com/ultralytics/assets/releases/download/v8.2.0/yolov8n.pt" \
    && [ -s /app/anpr_yolov8.pt ] || { echo "Error: Model download failed or file is empty"; exit 1; } \
    && { file /app/anpr_yolov8.pt | grep -q -E "Python|data|gzip" || { echo "Error: anpr_yolov8.pt is not a valid file type"; exit 1; }; }

COPY app.py .

EXPOSE 7860

CMD ["python", "app.py"]