FROM python:3.11-slim

# System dependencies
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    ffmpeg \
    git \
    curl \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir \
    opencv-python-headless \
    ultralytics \
    Pillow \
    streamlit \
    numpy \
    pandas \
    python-dotenv \
    loguru \
    pydantic \
    boto3 \
    google-cloud-storage

# Pre-download YOLOv8 models at build time (avoids runtime 403)
RUN python -c "from ultralytics import YOLO; YOLO('yolov8n.pt'); YOLO('yolov8s.pt'); print('Models downloaded!')"

# Copy project files
COPY . .

# HuggingFace Spaces port
EXPOSE 7860

ENV STREAMLIT_SERVER_PORT=7860
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0
ENV STREAMLIT_SERVER_HEADLESS=true
ENV STREAMLIT_BROWSER_GATHER_USAGE_STATS=false

CMD ["streamlit", "run", "dashboard/app.py", \
     "--server.port=7860", \
     "--server.address=0.0.0.0", \
     "--server.headless=true"]