FROM nvcr.io/nvidia/deepstream:7.0-gc-triton-devel

ENV DEBIAN_FRONTEND=noninteractive
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app

WORKDIR /app

# System deps for opencv and build tools
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    gcc \
    g++ \
    python3-pip \
    && rm -rf /var/lib/apt/lists/*

# Copy and install deps
COPY python/requirements.txt /tmp/requirements.txt

RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r /tmp/requirements.txt && \
    pip uninstall -y opencv-python 2>/dev/null; \
    pip install --no-cache-dir opencv-python-headless && \
    pip install --no-cache-dir pytest && \
    rm /tmp/requirements.txt

# TensorRT Python bindings must match the system TRT version (8.6.1 in DeepStream 7.0).
# cuda-python must match the container's CUDA 12.x toolkit.
RUN pip install --no-cache-dir "tensorrt>=8.6,<8.7" "cuda-python>=12.0,<13.0"

# Copy source (bind-mounted at runtime for live editing via docker-compose)
COPY python/ /app/

CMD ["bash"]