Add Docker

.dockerignore

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+.git/
+.venv/
+.ruff_cache/
+__pycache__/
+*.pyc
+.env
+agent.py
+AGENTS.md
+README.md

Dockerfile

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+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}