added a health check endpoint

index.js

@@ -63,11 +63,6 @@ app.use(bodyParser.urlencoded({ extended: true }))
 
 app.use('/', formWizard)
 
-// file not found handler
-app.use((req, res, next) => {
-  res.status(404).render('file-not-found')
-})
-
 // error handler
 app.use((err, req, res, next) => {
   logger.error('Request error', { req, err })
@@ -88,7 +83,18 @@ app.use((err, req, res, next) => {
   res.status(err.status).render(err.template, { err })
 })
 
+app.get('/health', (req, res) => {
+  logger.info('healthcheck');
+  res.status(200).json({applicationHealth: 'ok'})
+})
+
+// file not found handler
+app.use((req, res, next) => {
+  res.status(404).render('file-not-found')
+})
+
 // listen for incomming requests
 app.listen(config.port, () => {
   logger.info('App listening on http://localhost::port', { port: config.port })
 })
+