Init

.gitignore

+node_modules

package.json

+{
+  "name": "codeship",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1",
+    "jest": "^24.9.0"
+  }
+}

server.js

+const express = require('express')
+const app = express()
+const port = 3000
+
+app.get('/', (req, res) => res.send('Hello World!'))
+
+app.listen(port, () => console.log(`Example app listening on port ${port}!`))
\ No newline at end of file