hotfix connection pool 3

Author: lodewiges

config/initializers/sidekiq.rb

@@ -2,10 +2,16 @@
 
 if redis_url
   Sidekiq.configure_server do |config|
-    config.redis = { url: redis_url }
+    config.redis = { 
+      url: redis_url,
+      pool_timeout: 5
+    }
   end
 
   Sidekiq.configure_client do |config|
-    config.redis = { url: redis_url }
+    config.redis = { 
+      url: redis_url,
+      pool_timeout: 5
+    }
   end
 end