Fixing app.js to allow for heroku. Also adding config.json for heroku…

… test (will remove after)

app.js

@@ -49,18 +49,16 @@ try {
 // Redis connection
 //
 var defaultDB = '0';
-var db = redis.createClient(config.redis.port, config.redis.host);
-db.auth(config.redis.password);
-
-// Select our DB
-db.on("connect", function() {
-    db.select(defaultDB);
-    db.get("livedocs", function(err, reply) {
-        if (config.debug) {
-            console.log('Selected db \''+ defaultDB + '\' named \'' + reply + '\'');
-        }
-    });
-});
+var db;
+
+if (process.env.REDISTOGO_URL) {
+    var rtg   = require("url").parse(process.env.REDISTOGO_URL);
+    db = require("redis").createClient(rtg.port, rtg.hostname);
+    db.auth(rtg.auth.split(":")[1]);
+} else {
+    db = redis.createClient(config.redis.port, config.redis.host);
+    db.auth(config.redis.password);
+}
 
 db.on("error", function(err) {
     if (config.debug) {
@@ -651,6 +649,7 @@ app.get('/:api([^\.]+)', function(req, res) {
 // Only listen on $ node app.js
 
 if (!module.parent) {
-    app.listen(config.port, config.address);
+    var port = process.env.PORT || config.port;
+    app.listen(port);
     console.log("Express server listening on port %d", app.address().port);
-}
+}

config.json

@@ -0,0 +1,12 @@
+{
+    "title" : "I/O Docs - http://github.com/mashery/iodocs",
+    "port" : 3000,
+    "debug" : true,
+    "sessionSecret" : "12345",
+    "redis" : {
+                "host" : "localhost",
+                "port" : 6379,
+                "password" : "",
+                "database" : "0"
+             }
+}