@@ -0,0 +1,25 @@
+'use strict'
+
+const PORT = process.env.PORT || 3000
+
+const Koa = require('koa')
+const app = new Koa()
+
+const Router = require('koa-router')
+const router = new Router()
+
+router.get('/', function (ctx, next) {
+  ctx.status = 200
+  ctx.body = 'hello world'
+  next()
+})
+
+app.use(router.routes()).use(router.allowedMethods())
+
+module.exports = app
+
+if (require.main === module) {
+  app.listen(PORT, () => {
+    console.log(`App listening on port ${PORT}`)
+  })
+}