diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..ebb2c36
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,8 @@
+# Static HTML — served by nginx.
+FROM nginx:1.27-alpine
+
+COPY index.html /usr/share/nginx/html/index.html
+
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD wget -qO- http://localhost/ > /dev/null || exit 1