FROM python:3.12-slim

# Install Stockfish
RUN apt-get update && apt-get install -y \
    stockfish \
    openssh-client \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy everything needed for install
COPY pyproject.toml README.md ./
COPY src/ src/

# Install Python dependencies
RUN pip install --no-cache-dir .

# Create user and directories
RUN useradd -m shellmate && \
    mkdir -p /etc/shellmate && \
    chown shellmate:shellmate /etc/shellmate

EXPOSE 22

# Key is generated at runtime (see entrypoint) or mounted from volume

ENV STOCKFISH_PATH=/usr/games/stockfish

CMD ["shellmate-server"]