fix redis ignoring configs (fixes #41). now redis_url is used instead of redis_host and redis_port

config.js.template

@@ -15,14 +15,13 @@ const config = {
   ssl_port: process.env.SSL_PORT || 8088,
   cert_dir: process.env.CERT_DIR || ``, // For example '/home/wikiless/letsencrypt/live/wikiless.org'. No trailing slash.
   redirect_http_to_https: process.env.REDIRECT_HTTP_TO_HTTPS === 'true' || false, // If true, HTTP requests will be redirected to HTTPS.
-
+  
   /**
   * You can configure redis below if needed.
   */
-  redis_host: process.env.REDIS_HOST || '127.0.0.1',
+  redis_url: process.env.REDIS_HOST || 'redis://127.0.0.1:6379',
   redis_password: process.env.REDIS_PASSWORD,
-  redis_port: process.env.REDIS_PORT || 6379,
-
+  
   /**
   * You might need to change these configs below if you host through a reverse
   * proxy like nginx.

src/wikiless.js

@@ -10,20 +10,8 @@ const bodyParser = require('body-parser')
 
 const redis = (() => {
   const redisOptions = {
-    host: '127.0.0.1',
-    port: 6379
-  }
-
-  if(config.redis_host) {
-    redisOptions.host = config.redis_host
-  }
-
-  if(config.redis_port && config.redis_port > 0) {
-    redisOptions.port = config.redis_port
-  }
-
-  if(config.redis_password) {
-    redisOptions.password = config.redis_password
+    url: config.redis_url,
+    password: config.redis_password
   }
 
   const client = r.createClient(redisOptions)