update to express v4

see nulltask/heroku-static-provider#1

README.md

@@ -1,2 +1,54 @@
 # secret-page
 Super Duper  Secret Stuff
+
+Based on https://github.com/nulltask/heroku-static-provider
+
+## Installation
+
+You need sign-in or sign-up to Heroku.
+
+    $ git clone [email protected]:keckelt/secret-page.git
+    $ cd secret-page
+    $ heroku create
+    $ git push -u heroku master
+    $ heroku open
+
+## Development
+
+0. Install packages.
+
+    ```sh
+    $ npm install
+    ```
+
+0. Add or update files in `/public`.
+0. Run on the local machine.
+
+    ```bash
+    $ npm start
+    ```
+
+0. Check on browser.
+  - http://localhost:5000
+
+## Deployment
+
+    $ git add .
+    $ git commit -a -m 'some commit message'
+    $ git push heroku master
+    $ heroku open
+
+## Notes
+
+### Adding Basic Auth
+
+	$ heroku config:set USER=username
+	$ heroku config:set PASS=password
+
+### Screencast
+
+  * https://vimeo.com/71315109
+
+## License
+
+MIT

package.json

@@ -2,7 +2,15 @@
   "name": "secret-page",
   "version": "0.0.1",
   "private": true,
+  "scripts": {
+    "start": "nf start"
+  },
   "dependencies": {
-    "express": "~3.3.4"
+    "compression": "^1.7.4",
+    "express": "^4.17.3",
+    "morgan": "1.^10.0"
+  },
+  "devDependencies": {
+    "foreman": "~2.0.0"
   }
 }

server.js

@@ -1,5 +1,6 @@
-
 var express = require('express');
+var logger = require('morgan');
+var compression = require('compression');
 var app = express();
 
 var user = process.env.USER;
@@ -11,8 +12,8 @@ if (user && pass) {
   app.use(express.basicAuth(user, pass));
 }
 
-app.use(express.logger('dev'));
-app.use(express.compress());
+app.use(logger('dev'));
+app.use(compression());
 app.use(express.static(__dirname + '/public'));
 
 app.listen(app.get('port'), function() {