# Base image
FROM python:3.11-slim

# CPU-only environment
ENV TORCH_CUDA_ARCH_LIST=""
ENV CUDA_VISIBLE_DEVICES=""

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

# Working directory
WORKDIR /app

# Copy requirements
COPY requirements.txt .

# Install CPU PyTorch
RUN pip install --no-cache-dir \
    torch==2.1.0 \
    torchvision==0.16.0 \
    torchaudio==2.1.0 \
    --index-url https://download.pytorch.org/whl/cpu

# Fix NumPy 2.x runtime error
RUN pip install --no-cache-dir "numpy<2"

# Install compatible huggingface-hub
RUN pip install --no-cache-dir huggingface-hub>=0.19.3

# Install remaining packages
RUN pip install --no-cache-dir \
    git+https://github.com/ultralytics/ultralytics.git@main \
    transformers>=4.35.0 \
    Pillow \
    gradio>=4.41.0 \
    opencv-python-headless

# Copy app code
COPY app.py .

# Expose Gradio port
EXPOSE 7860

# Run the app
CMD ["python", "app.py"]