feat: add containerized FastAPI health check

Dockerfile

@@ -0,0 +1,35 @@
+FROM python:3.12-slim-bookworm AS base
+
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PIP_DISABLE_PIP_VERSION_CHECK=1
+
+WORKDIR /app
+
+RUN groupadd --gid 10001 app \
+    && useradd --uid 10001 --gid app --no-create-home --shell /usr/sbin/nologin app
+
+COPY requirements.txt ./
+RUN pip install --no-cache-dir --requirement requirements.txt
+
+FROM base AS test
+
+COPY requirements-dev.txt pyproject.toml ./
+RUN pip install --no-cache-dir --requirement requirements-dev.txt
+
+COPY --chown=app:app app ./app
+COPY --chown=app:app tests ./tests
+
+USER app
+
+CMD ["pytest"]
+
+FROM base AS runtime
+
+COPY --chown=app:app app ./app
+
+USER app
+
+EXPOSE 8000
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--no-access-log"]