initial add of basic nodejs app, Dockerfile and CloudronManifest.json

index.js

@@ -0,0 +1,12 @@
+const express = require('express')
+const app = express()
+const port = process.env.port ?? 80
+
+app.get('/', (req, res) => {
+  res.send('Hello World! This is a custom nodejs app running in a docker container as a cloudron app')
+})
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`)
+})
+