# Base image with PyTorch and CUDA for GPU support
FROM pytorch/pytorch:1.10.0-cuda11.3-cudnn8-runtime

# Install system dependencies and Hugging Face CLI
RUN apt-get update && apt-get install -y \
    git \
    wget \
    && rm -rf /var/lib/apt/lists/*

# Install Python packages including Hugging Face Transformers, TorchScript, and Flask
RUN pip install --no-cache-dir \
    torch \
    torchvision \
    transformers[cli] \
    requests \
    Flask \
    Pillow

# Set Hugging Face cache to a guaranteed writable directory
ENV TRANSFORMERS_CACHE=/tmp/cache
RUN mkdir -p /tmp/cache

# Download models using Hugging Face CLI and place them in specified directories
RUN mkdir -p /models/sapiens_pose /models/motionbert

# Download Meta Sapiens Pose model to /models/sapiens_pose
RUN huggingface-cli download facebook/sapiens-pose-1b-torchscript -d /models/sapiens_pose

# Download MotionBERT model to /models/motionbert
RUN huggingface-cli download walterzhu/MotionBERT -d /models/motionbert

# Copy the inference script (app.py) into the container
COPY app.py /app/app.py

# Expose the default port for Flask
EXPOSE 7860

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