FROM python:3.13-slim

# Keep Python output unbuffered and disable pip's cache to shrink layers
ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

# Make uv copy packages into the venv (safer in read-only layers) and avoid
# auto-downloading Python runtimes because a system interpreter already exists
ENV UV_LINK_MODE=copy \
    UV_PYTHON_DOWNLOADS=0

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

WORKDIR /app

RUN pip install uv

COPY . /app

WORKDIR /app/Server

RUN uv sync --frozen --no-dev

EXPOSE 8080

ENV PYTHONPATH=/app/Server/src

# ENTRYPOINT allows override via docker run arguments
# Default: stdio transport (Docker MCP Gateway compatible)
# For HTTP: docker run -p 8080:8080 <image> --transport http --http-host 0.0.0.0 --http-port 8080
# If hosting remotely, you should add the --project-scoped-tools flag
ENTRYPOINT ["uv", "run", "mcp-for-unity"]
CMD []