use redis url from env variable

Author: arpith

src/auth.js

@@ -1,4 +1,5 @@
-var redis = require('redis').createClient();
+var redisURL = process.env.REDIS_URL;
+var redis = require('redis').createClient(redisURL);
 
 module.exports = function(req, res, next) {
   var header = req.headers['authorization'] || '';

src/folders.js

@@ -1,4 +1,5 @@
-var redis = require('redis').createClient();
+var redisURL = process.env.REDIS_URL;
+var redis = require('redis').createClient(redisURL);
 
 exports.get = function(req,res) {
   var folders = [];

src/labels.js

@@ -1,4 +1,5 @@
-var redis = require('redis').createClient();
+var redisURL = process.env.REDIS_URL;
+var redis = require('redis').createClient(redisURL);
 
 exports.get = function(req, res) {
   redis.smembers('labels:' + req.params.user, function(e, labels) {

src/sessions.js

@@ -1,4 +1,5 @@
-var redis = require('redis').createClient();
+var redisURL = process.env.REDIS_URL;
+var redis = require('redis').createClient(redisURL);
 var crypto = require('crypto');
 var bcrypt = require('bcrypt');
 

src/signup.js

@@ -7,7 +7,8 @@ Promise.promisifyAll(redis);
 Promise.promisifyAll(bcrypt);
 Promise.promisifyAll(crypto);
 
-const redisClient = redis.createClient();
+const redisURL = process.env.REDIS_URL;
+const redisClient = redis.createClient(redisURL);
 
 export function post(req, res) {
   bcrypt.genSaltAsync(10)