diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 00000000..0418234f
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,12 @@
+FROM node:8-slim
+
+# Add a non-privileged user for installing and running Janitor.
+RUN groupadd --gid 10001 app \
+ && useradd --uid 10001 --gid 10001 --home /app --create-home app
+WORKDIR /app
+
+COPY . .
+
+USER app
+
+CMD ["npm", "start"]