[examples] add example of gzip using the connect.compress() middleware

examples/middleware/gzip-middleware.js

@@ -0,0 +1,65 @@
+/*
+  gzip-middleware.js: Basic example of `connect-gzip` middleware in node-http-proxy
+
+  Copyright (c) Nodejitsu 2013
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+var util = require('util'),
+    colors = require('colors'),
+    http = require('http'),
+    connect = require('connect')
+    httpProxy = require('../../lib/http-proxy');
+
+//
+// Basic Connect App
+//
+connect.createServer(
+  connect.compress({
+    // Pass to connect.compress() the options
+    // that you need, just for show the example
+    // we use threshold to 1
+    threshold: 1
+  }),
+  function (req, res) {
+    proxy.web(req, res);
+  }
+).listen(8000);
+
+//
+// Basic HTTP Proxy
+//
+var proxy = httpProxy.createProxyServer({
+  target: 'http://localhost:9000'
+});
+
+//
+// Target Http Server
+//
+http.createServer(function (req, res) {
+  res.writeHead(200, { 'Content-Type': 'text/plain' });
+  res.write('request successfully proxied to: ' + req.url + '\n' + JSON.stringify(req.headers, true, 2));
+  res.end();
+}).listen(9000);
+
+util.puts('http proxy server'.blue + ' started '.green.bold + 'on port '.blue + '8000'.yellow);
+util.puts('http server '.blue + 'started '.green.bold + 'on port '.blue + '9000 '.yellow);

examples/package.json

@@ -5,6 +5,7 @@
   "dependencies": {
     "colors": "~0.6.2",
     "socket.io": "~0.9.16",
-    "socket.io-client": "~0.9.16"
+    "socket.io-client": "~0.9.16",
+    "connect": "~2.11.0"
   }
 }