FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    GRADIO_SERVER_NAME=0.0.0.0 \
    GRADIO_SERVER_PORT=7860 \
    PATH="/app/.venv/bin:${PATH}" \
    UV_LINK_MODE=copy

RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

COPY --from=ghcr.io/astral-sh/uv:0.6.4 /uv /uvx /bin/

WORKDIR /app

RUN uv venv .venv

COPY requirements.txt pyproject.toml ./
RUN uv pip install --no-cache -r requirements.txt

COPY app.py ./
COPY arena/ ./arena/
COPY skills/ ./skills/

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -fsS http://localhost:7860/health || exit 1

CMD ["python", "app.py"]