diff --git a/.gitignore b/.gitignore
index a240e12d..06044c8d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,5 @@ config.yml
 .DS_Store
 public/assets/css/.sass-cache/
 public/site_thumbnails
+public/sites
+public/site_screenshots
diff --git a/environment.rb b/environment.rb
index 22654ad9..438c3f06 100644
--- a/environment.rb
+++ b/environment.rb
@@ -37,12 +37,15 @@ end
 
 Sidekiq::Logging.logger = nil unless ENV['RACK_ENV'] == 'production'
 
+sidekiq_redis_config = {namespace: 'neocitiesworker'}
+sidekiq_redis_config[:url] = $config['sidekiq_url'] if $config['sidekiq_url']
+
 Sidekiq.configure_server do |config|
-  config.redis = { namespace: 'neocitiesworker' }
+  config.redis = sidekiq_redis_config
 end
 
 Sidekiq.configure_client do |config|
-  config.redis = { namespace: 'neocitiesworker' }
+  config.redis = sidekiq_redis_config
 end
 
 require File.join(DIR_ROOT, 'workers', 'thumbnail_worker.rb')
diff --git a/public/site_screenshots/.gitignore b/public/site_screenshots/.gitignore
deleted file mode 100644
index 72e8ffc0..00000000
--- a/public/site_screenshots/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*
diff --git a/public/sites/.gitignore b/public/sites/.gitignore
deleted file mode 100644
index 72e8ffc0..00000000
--- a/public/sites/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*