Dockerfile

# Use the official Python 3.10.9 image
FROM python:3.10.9

# Copy the current directory contents into the container at .
COPY . .

# Set the working directory to /
WORKDIR /

RUN pip install python-multipart

# Install requirements.txt
RUN pip install --no-cache-dir --upgrade -r /requirements.txt

# Install LeelaChessZero depencies
RUN apt update -y
RUN apt install software-properties-common -y
RUN wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/cuda-ubuntu2004.pin
RUN mv cuda-ubuntu2004.pin /etc/apt/preferences.d/cuda-repository-pin-600
RUN add-apt-repository "deb https://developer.download.nvidia.com/compute/cuda/repos/ubuntu2004/x86_64/ /"

RUN apt update -y
RUN apt upgrade -y
RUN apt install ocl-icd-opencl-dev -y
RUN apt install cuda -y
RUN apt install zlib1g -y

# Make engines executable
RUN chmod +x engines/stockfish/*
RUN chmod +x engines/maia/lc0

# Start the FastAPI app on port 7860, the default port expected by Spaces
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]