add Dockerfile

Dockerfile

@@ -0,0 +1,11 @@
+FROM node:alpine
+
+WORKDIR /app
+
+COPY package.json /app
+RUN npm install
+COPY . /app
+
+CMD node index.js
+
+EXPOSE 8080

index.js

@@ -0,0 +1,10 @@
+var express = require('express')
+var app = express()
+
+app.get('/', function (req, res) {
+  res.send('Hello from CUBETIQ!')
+})
+
+app.listen(7000, function () {
+  console.log('app listening on port 7000!')
+})