diff --git a/Dockerfile b/Dockerfile
index 0884d6c..1eb006c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1 +1,17 @@
-# TODO: generation subagent fills this in.
+FROM python:3.12-slim AS builder
+WORKDIR /build
+ENV PIP_DISABLE_PIP_VERSION_CHECK=1
+COPY pyproject.toml README.md ./
+COPY app ./app
+RUN python -m venv /venv && /venv/bin/pip install --no-cache-dir .
+
+FROM python:3.12-slim
+RUN addgroup --system app && adduser --system --ingroup app app
+COPY --from=builder /venv /venv
+WORKDIR /service
+COPY app ./app
+ENV PATH="/venv/bin:$PATH" PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1
+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', timeout=2)"]
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1", "--proxy-headers", "--no-server-header"]