Dockerfile

FROM python:3.10-slim

# Install Stockfish as root
RUN apt-get update && apt-get install -y stockfish curl && rm -rf /var/lib/apt/lists/*

# Create a non-root user and set up the working directory
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:/usr/games:$PATH

WORKDIR $HOME/app

# Copy files and ensure the 'user' owns them
COPY --chown=user . .

RUN pip install --no-cache-dir -r requirements.txt

# Explicitly find and export Stockfish path
RUN chmod +x setup.sh
CMD ["./setup.sh"]