restructure repo, separate sample app from docker configs

05-example-web-application/api-node/src/index.js

@@ -0,0 +1,28 @@
+const { getDateTime } = require('./db');
+
+const express = require('express');
+const morgan = require('morgan');
+
+const app = express();
+const port = 3000;
+
+// setup the logger
+app.use(morgan('tiny'));
+
+app.get('/', async (req, res) => {
+  const dateTime = await getDateTime();
+  const response = dateTime;
+  response.api = 'node';
+  res.send(response);
+});
+
+const server = app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`);
+});
+
+process.on('SIGTERM', () => {
+  debug('SIGTERM signal received: closing HTTP server');
+  server.close(() => {
+    debug('HTTP server closed');
+  });
+});