decomposer: generate deliverable files for Define the service contract and project architecture for the FastAPI endpoint monitoring service.; Implement the typed monitor CRUD API and concurrency-safe in-memory state according to the service design.; Implement secure on-demand endpoint checks with status updates, latency measurement, robust error handling, and redacted structured logs.; Add operational API endpoints and environment-driven runtime configuration to the monitoring service.; Create automated tests for the monitoring service.; Package the service with Docker and developer documentation.; Validate the complete project.

Dockerfile

@@ -1 +1,17 @@
-# TODO: generation subagent fills this in.
+FROM python:3.12-slim AS builder
+WORKDIR /build
+COPY pyproject.toml README.md ./
+COPY app ./app
+RUN python -m pip install --no-cache-dir --prefix=/install .
+
+FROM python:3.12-slim
+ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1 PATH=/opt/python/bin:$PATH
+RUN addgroup --system app && adduser --system --ingroup app app
+COPY --from=builder /install /opt/python
+WORKDIR /service
+COPY --chown=app:app app ./app
+USER app
+EXPOSE 8000
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/health/live', timeout=2)"
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1", "--no-access-log"]