# Multi-stage build for the Undercooked game server.
# Stage 1 resolves and installs dependencies; stage 2 is a slim runtime.
# No database stage: live game state is in-memory by design (see .agents/PLAN.md).

FROM docker.io/python:3.12-slim AS builder
ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_NO_CACHE_DIR=1
WORKDIR /build
COPY pyproject.toml README.md ./
COPY src ./src
RUN pip install --prefix=/install .

FROM docker.io/python:3.12-slim AS runtime
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    DEBUGPY=0 \
    UNDERCOOKED_HOST=0.0.0.0 \
    UNDERCOOKED_PORT=8000 \
    UNDERCOOKED_LEVELS_DIR=/app/levels \
    UNDERCOOKED_STATIC_DIR=/app/app/static
WORKDIR /app

RUN useradd --create-home --uid 10001 player
COPY --from=builder /install /usr/local
COPY src ./src
COPY levels ./levels
COPY app ./app
COPY README.md ./
USER player

EXPOSE 8000
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import urllib.request,sys;sys.exit(0 if urllib.request.urlopen('http://127.0.0.1:8000/healthz',timeout=2).status==200 else 1)"

ENTRYPOINT ["python", "-m", "undercooked"]