Enable code completion for Express (#9)

* Enable code completion for Express

* Remove duplicate line

incubator/nodejs-express/image/project/package.json

@@ -16,6 +16,7 @@
   "dependencies": {
     "@cloudnative/health-connect": "^2.0.0",
     "appmetrics-prometheus": "^2.0.0",
+    "vhost": "^3.0.2",
     "express": "~4.16.0"
   },
   "devDependencies": {

incubator/nodejs-express/image/project/server.js

@@ -1,4 +1,5 @@
 const express = require('express');
+const vhost = require('vhost');
 const health = require('@cloudnative/health-connect');
 const fs = require('fs');
 
@@ -18,13 +19,14 @@ function getEntryPoint() {
     return package.main;
 }
 
-require(basePath + getEntryPoint())(app);
-
 const healthcheck = new health.HealthChecker();
 app.use('/live', health.LivenessEndpoint(healthcheck));
 app.use('/ready', health.ReadinessEndpoint(healthcheck));
 app.use('/health', health.HealthEndpoint(healthcheck));
 
+const userApp = require(basePath + getEntryPoint()).app;
+app.use(vhost('*', userApp));
+
 app.get('*', (req, res) => {
   res.status(404).send("Not Found");
 });

incubator/nodejs-express/templates/simple/app.js

@@ -1,7 +1,7 @@
-module.exports = (app) => {
+const app = require('express')()
 
-  app.get('/', (req, res) => {
-    res.send("Hello World!");
-  });
-  
-}
+app.get('/', (req, res) => {
+  res.send("Hello World!");
+});
+
+module.exports.app = app;

incubator/nodejs-express/templates/skaffold/app.js

@@ -1,9 +1,9 @@
-module.exports = (app) => {
+const app = require('express')()
 
-    app.set('views', __dirname + "/views");
-    app.set('view engine', 'pug');
+app.set('views', __dirname + "/views");
+app.set('view engine', 'pug');
 
-    app.use('/', require('./routes'));
-    
-}
+app.use('/', require('./routes'));
+
+module.exports.app = app;