Added MongoDB example

README.md

@@ -24,6 +24,7 @@ and applications on [Google App Engine](http://cloud.google.com/nodejs).
 ### Databases
 
 - Redis - [Source code][redis_1] | [App Engine Tutorial][redis_2] | [Documentation][redis_3]
+- MongoDB - [Source code][mongo_1] | [App Engine Tutorial][mongo_2] | [Documentation][mongo_3]
 
 ### Tools
 
@@ -106,7 +107,11 @@ See [LICENSE](https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/ma
 
 [redis_1]: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/master/appengine/redis
 [redis_2]: https://cloud.google.com/nodejs/resources/databases/redis
-[redis_3]: http://redis.io/
+[redis_3]: https://redis.io/
+
+[mongo_1]: https://github.com/GoogleCloudPlatform/nodejs-docs-samples/blob/master/appengine/mongo
+[mongo_2]: https://cloud.google.com/nodejs/resources/databases/mongo
+[mongo_3]: https://docs.mongodb.org/
 
 [gcloud_1]: https://github.com/GoogleCloudPlatform/gcloud-node
 [gcloud_2]: https://googlecloudplatform.github.io/gcloud-node/#/

appengine/mongo/.gitignore

@@ -0,0 +1 @@
+keys.json

appengine/mongo/README.md

@@ -0,0 +1,12 @@
+## MongoDB on Google App Engine
+
+> [MongoDB][1] is an open source (AGPL licensed), NoSQL document database.
+
+Read the [MongoDB on App Engine Tutorial][2] for how to run and deploy this sample
+app.
+
+You can also read the [node_mongodb documentation][3].
+
+[1]: http://mongodb.org/
+[2]: https://cloud.google.com/nodejs/resources/databases/mongo
+[3]: http://mongodb.github.io/node-mongodb-native/

appengine/mongo/app.yaml

@@ -0,0 +1,19 @@
+# Copyright 2015, Google, Inc.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# [START app_yaml]
+runtime: nodejs
+vm: true
+env_variables:
+  PORT: 8080
+# [END app_yaml]

appengine/mongo/package.json

@@ -0,0 +1,18 @@
+{
+  "name": "appengine-mongo",
+  "description": "An example of using MongoDB with Node.js on Google App Engine.",
+  "version": "0.0.1",
+  "private": true,
+  "license": "Apache Version 2.0",
+  "engines": {
+    "node": "~0.12.7"
+  },
+  "scripts": {
+    "start": "node server.js",
+    "deploy": "gcloud preview app deploy app.yaml"
+  },
+  "dependencies": {
+    "nconf": "^0.8.0",
+    "mongodb": "^2.0.48"
+  }
+}

appengine/mongo/server.js

@@ -0,0 +1,71 @@
+// Copyright 2015, Google, Inc.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//  http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+'use strict';
+
+var mongodb = require('mongodb');
+var http = require('http');
+var nconf = require('nconf');
+
+// read in keys and secrets.  You can store these in a variety of ways.  
+// I like to use a keys.json  file that is in the .gitignore file, 
+// but you can also store them in environment variables
+nconf.argv().env().file('keys.json');
+
+// Connect to a MongoDB server provisioned over at 
+// MongoLab.  See the README for more info.
+var uri = 'mongodb://' +
+  nconf.get('mongoUser') + ':' +
+  nconf.get('mongoPass') + '@' +
+  nconf.get('mongoHost') + ':' +
+  nconf.get('mongoPort') + '/' +
+  nconf.get('mongoDatabase');
+
+mongodb.MongoClient.connect(uri, function(err, db) {
+
+  if (err) throw err;
+
+  // Create a simple little server. 
+  http.createServer(function(req, res) {
+
+	  console.log("test");
+	  console.log(err);
+
+    // Track every IP that has visited this site
+    var collection = db.collection('IPs');
+
+    var ip = {"address": req.connection.remoteAddress};
+
+    collection.insert(ip, function(err, result) {
+
+      if (err) throw err;
+
+      // push out a range 
+      var iplist = '';
+      collection.find().toArray(function(err, data) {
+        if (err) throw err;
+        console.log('listing data...\n');
+        data.forEach(function(ip) {
+        console.log('IP: ' + ip.address + '\n');
+        iplist += ip.address + '; ';
+        });
+
+        res.writeHead(200, {
+        'Content-Type': 'text/plain'
+        });
+        res.end(iplist);
+      });
+    })
+  }).listen(process.env.PORT || 8080);;
+  console.log('started web process');
+});