diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..40dacca
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,8 @@
+FROM node:22-alpine
+WORKDIR /app
+COPY package*.json .
+RUN npm install
+COPY . .
+EXPOSE 3000
+CMD ["node","app.js"]
+
diff --git a/node-express-hello-world b/node-express-hello-world
new file mode 160000
index 0000000..eae71d3
--- /dev/null
+++ b/node-express-hello-world
@@ -0,0 +1 @@
+Subproject commit eae71d3acadab16c2548c6c71c08952ed3757dbd