FROM python:3.12-slim AS builder

COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /usr/local/bin/

WORKDIR /app

COPY pyproject.toml uv.lock ./
RUN uv sync --no-dev --frozen --no-install-project

COPY main.py .

FROM python:3.12-slim

WORKDIR /app

COPY --from=builder /app /app

ENV PATH="/app/.venv/bin:$PATH"

# Cloud Run injects PORT (defaults to 8080)
ENV PORT=8080
EXPOSE ${PORT}

# Shell form so ${PORT} is expanded at runtime
CMD python main.py --transport sse --port ${PORT}